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Two types of black-throated warblers number among New World bird family

Photo by Skeeze/Pixabay.com The female black-throated green warbler lacks the male’s all-black throat, but she is a striking bird in her own right. Black-throated green warblers and the related black-throated blue warbler are common birds in the Southern Appalachians from April to October.

I’ve enjoyed some lawn chair birding on recent September evenings, delighting in my observations of birds ranging from flycatchers and catbirds to warblers, vireos and hummingbirds. I enjoy my casual study of the daily changes in the bird population present in my yard and adjacent woods. The parade of warblers hasn’t been as productive as in past autumns, but I have managed to spot and identify hooded warbler, American redstart, chestnut-sided warbler, magnolia warbler, Northern parula, and black-throated green warbler visitors.


The black-throated green appeared suddenly in a fast-paced burst of foraging in a cherry tree. Alongside birds such as an Eastern wood-pewee and red-eyed vireo, the warbler gleaned the leaves of the trees for concealed caterpillars. I watched the bird swallow with gusto several of the caterpillars so skillfully plucked with its thin, pointed bill.

The black-throated green warbler and one other species, the black-throated blue warbler, share the appellation of “black-throated,” and rightfully so. Males in the spring look their best with a dark black throat in striking contrast to the rest of their plumage. The female black-throated green shows some black on the throat, but female black-throated blue warblers exhibit no black throat patch. In fact, black-throated blue males and females are extremely different in appearance. Scientists call such dramatic appearances differences “sexual dimorphism.” Among the warblers, this species provides the most striking example of sexual dimorphism of any of the warblers. The male and female do share one identifying mark — a white square near the outer edge of the middle of each wing. This square is usually more pronounced in the male, but it stands out enough that it helps distinguish the female black-throated blue from similar dull-plumaged birds such as vireos. 


German naturalist Johann Friedrich Gmelin described the black-throated blue warbler in 1789. I noted in last week’s column that Gmelin woefully misnamed such warblers as palm warbler and magnolia warbler. With the black-throated blue warbler, Gmelin did a better job. This bird’s scientific name name is the Latin term caerulescens, which translates into English as “turning blue.” The male is a stunning bird. Arguably, the black-throated blue warbler is one of the most distinctive members of the family of wood warblers. The adult male has a black face and cheeks, deep blue upperparts and a clean white underbelly. In contrast, the adult female is olive-brown above and light yellow below. 


When one’s binoculars first focus on a black-throated green warbler, the first impression is likely to be the black, yellow and white feathers in the bird’s plumage. The greenish-yellow coloration that gives this species part of its common name is mostly limited to the bird’s back, which is often not as evident when the bird’s being watched through binoculars.  
Both of the black-throated warblers nest in northeast Tennessee, western North Carolina, and southwestern Virginia. In the spring, the males of both these warblers are persistent singers from prominent perches in the green woodland canopy. Male black-throated greens contribute to the avian chorus by frequently singing a high-pitched song often described as a buzzy zee-zee-zee-zooo-zeet. Male black-throated blues produce a buzzy zee-zee-zeeee. 

The black-throated green warblers currently departing the region will likely travel as far as Mexico, Central America, the West Indies and southern Florida for the colder winter months. Black-throated blue warblers, on the other hand, migrate to the Caribbean for the winter, making their homes on Cuba, Jamaica, Hispaniola and Puerto Rico, as well as other islands. 
Nearly half of the world’s New World warblers spend the months between spring and fall in North America. The other half reside exclusively in Central and South Americas, as well as the Caribbean. Some of the more descriptively named individuals residing in the tropical areas south of North America include flame-throated warbler, crescent-chested warbler, arrowhead warbler, white-rimmed warbler, buff-rumped warbler, golden-bellied warbler, fan-tailed warbler, pink-headed warbler and pale-legged warbler. 


The warblers bring some exciting tropical flair into the hills and hollows of Southern Appalachia for several months every year. I miss them once they’re gone for the winter season, but the promise of their return keeps my spirits buoyed during the cold, darker months until spring. 

Nighthawks share the skies with many other migrants

Photo by Dr. Thomas G. Barnes/ USFWS • A common nighthawk perches on a low clump of vegetation during a rest period. Nighthawks are known for migrating in large flocks.

Autumn’s a chance for me to indulge my passion for warblers, with a few dozen species of these songbirds passing through the region in the span of a few weeks. They’re not the only migrating birds worth watching, however, as a recent Facebook post reminded me.

John Whinery, a fellow birder who resides in Fall Branch, Tennessee, reported some interesting observations Sept. 6 on Facebook.

“Been watching several hundred common nighthawks the last few nights fly down the valley next to the farm,” John wrote in his post. He also reported that he saw a female Northern harrier fly by at eye level about 20 feet from him as he watched the migrating nighthawks. The Northern harrier, once known as the “marsh hawk,” is one of many raptors known to migrate. 

Like such birds as warblers, vireos, thrushes, tanagers, flycatchers and hummingbirds, the common nighthawk, is a neotropical migrant. In addition, the common nighthawk has one of the longest migration routes of any North American bird. Twice a year, these birds migrate for distances ranging from 1,600 to 4,200 miles. Nighthawks that spend the spring and summer in Canada travel to southern South America for the winter months. 

With September advancing on the calendar, I have been keeping an eye on the treetops for passing warblers, vireos and tanagers, but I also remember to direct my gaze to the skies. Forgetting to look skyward could result in missing the passage of such varied migrants as chimney swifts, broad-winged hawks and common nighthawks.

So, what is a common nighthawk? First, this bird, despite what is implied by its name, is not a hawk. It’s also not strictly nocturnal. Particularly in the fall, nighthawks are active during daylight hours when engaged in catching winged insects. Outside of fall migration, these birds can often be observed over large parking lots or well-lit streets, snatching up insects swarming around the light poles.

The common nighthawk is one of three members of the nightjar family found in the region during the summer months. The other two nightjars are the whip-poor-will and chuck-will’s-widow, birds that produce their namesake vocalizations in the nocturnal hours. Both of these species migrate, but they don’t take the dramatic approach employed by nighthawks. Each fall, common nighthawks form large flocks, ranging in size from dozens to hundreds or even thousands of individuals, as they migrate south for the winter.

Photo by Skeeze/Pixabay.com • A common nighthawk chooses a perch atop a fence post for a survey of its surroundings.

Unlike whips and chucks, the common nighthawk isn’t active only after dark, which makes it much easier to observe these birds. They look somewhat like swifts and swallows but are much larger. They are brownish-gray birds with pointed wings and forked tails. They are easily identified by distinctive white patches on the underside of their wings.

The nightjar, or Caprimulgidae, family of birds is also sometimes known as “goatsuckers.” Apparently, in trying to explain the nocturnal tendencies of these birds, the Greeks came up with the imaginative but erroneous idea that birds like nighthawks liked to sneak into barns and have a meal of fresh goat’s milk. In reality, nighthawks feed almost exclusively on insects, including ants, wasps, beetles, caddisflies, moths, mayflies, flies, crickets, grasshoppers, and other insects. They capture much of their insect prey on the wing.

There are almost 80 species of nightjars in the world. Less than 10 occur in North America. Many of the common nighthawk’s relatives have been given descriptive names, such as long-trained nightjar, collared nightjar, spot-tailed nightjar, red-necked nightjar, golden nightjar, fiery-necked nightjar, swamp nightjar, pennant-winged nightjar, lyre-tailed nightjar, little nightjar, sickle-winged nightjar, rufous-bellied nighthawk, short-tailed nighthawk, sand-coloured nighthawk and least nighthawk.

So, keep looking skyward. The next flock of migrating common nighthawks may fly over your home. These flocks are usually on the move throughout September.  I’ve managed only three sightings of solitary nighthawks so far this migration season, which falls far short of the number John Whinery reported at his farm. 

I will keep watching the skies. Nighthawks can also appear almost magically, as if out of thin air. First, observers may see one of two birds, then several, followed quickly by dozens or sometimes hundreds as they wheel and cavort in the skies overhead with impressive grace and agility. I’ve seen flocks that would easily number more than 500 birds in locations throughout the region, although flocks often number only a couple of dozen birds. 

Photo by Jean Potter • A common nighthawk rests on a metal railing.

Warbler parade imminent as September advances

Photo by Mickey Estes/Pixabay.com • A pine warbler takes a brief rest on a perch during a break from foraging for insects.

I detected some signs of migration during a backyard lawn chair birding session on Thursday, Sept. 3. A croaking great blue heron circling the property, the shrill cries of cedar waxwings, scolding vireos, and the intermittent buzz of hummingbird wings all contributed to the background noise. 

The first warbler of the season, a quick blur of yellow and white, disappeared into the green and thus escaped identification. That’s the way of it: Sometimes, you identify the bird, but at other times it slips past without lingering enough for that moment of confidence. You have to love September, even if the birds are entirely ignorant of pages on a calendar. As summer wanes, the pace of migration has spiked. If that first warbler got away, I know others will follow behind it.

Some of them will have fanciful names like blue-winged warbler, black-throated blue warbler, Blackburnian warbler and American redstart. Each of the warblers exists as a sort of magnet to induce me to keep binoculars always close at hand.

 

The 50 or so species of warblers that make their home in the eastern parts of the United States and Canada during the spring and summer months are now winging their way south.  The blackpoll warbler, which holds the distinction for the longest migration of any species of New World warbler, will journey from the forests of Canada to spend the colder months in northern South America. Because of a peculiarity of this bird’s fall migratory habits, birders in Northeast Tennessee are far more likely to see this late-arriving warbler in May than in the autumn.

A few warblers — pine warbler, magnolia warbler and palm warbler — are named for trees for the simple reason that their European discoverers happened to first observe them in the branches of their namesake trees.

Photo by Bryan Stevens • A Palm Warbler forages along a chain-link fence.

For most of these warblers named to honor various trees,  their common names are, at best, a misnomer. Throughout most of its life, the palm warbler doesn’t even encounter palm trees. Johann Friedrich Gmelin, a German naturalist who lived from 1748 to 1804, saddled the palm warbler with its inappropriate name. Gmelin based his naming of the bird on the fact that a specimen had been collected on Hispaniola, an island in the Caribbean with an abundance of palm trees. Gmelin published several textbooks in the fields of chemistry, pharmaceutical science, mineralogy, and botany. He also had a hand in publishing a catalog of scientific names for various species, including some birds that had until that point never been given a species classification. Thanks to his efforts, the palm warbler has forever been linked with a type of tree that is, at best, entirely incidental to the bird’s life cycle.

The same is true for the Magnolia Warbler, which would have been more suitably named the spruce or fir Warbler, as the species is highly dependent on northern coniferous forests as nesting habitat. The pine warbler, at least, restores credibility to some of the early experts who have these tiny birds their common names. The pine warbler does indeed prefer stands of pine trees, showing particular favor for pitch pines.

Photo by Bryan Stevens A Yellow-throated Warbler makes a migratory stop in my yard on the first day of September.

These three “tree warblers” are all fairly common fall migrants, making stops in gardens, backyards and woodland edges throughout Northeast Tennessee, southwest Virginia, and western North Carolina. They and their relatives will make the remaining weeks of September and early October an exciting time for warbler enthusiasts. 

 

Hummingbirds complete another nesting season before starting south on annual fall migration

Photo by Katy Jefferson/Pixabay.com • A ruby-throated hummingbird sips sugar water at a feeder. During migration, blooming flowers and sugar water feeders are valuable sources of quick energy for these tiny flying gems.

Mildred Wright of Fall Branch, Tennessee, recently shared a story through Facebook about a nesting hummingbird in her yard.

In this photo provided by Mildred Wright, the young hummingbirds can be glimpsed in their nest.

“I discovered this hummingbird nest in a tree in my front yard,” she wrote in a Facebook message. “I have watched mom take excellent care of her babies through some really rough weather.”

She explained that she found the nest on June 8 and has observed as the female hummingbird incubated her eggs and then raised her two hatchlings.

Interestingly, there are a few simple reasons it’s always two eggs for hummingbirds. First, the nest is so small — about the size of a walnut half-shell — that there is barely room for two eggs, let alone more. Second, once the young hatch, the nest has just enough room to accommodate them as they grow, fed well by their mother. Third, feeding two hungry young hummingbirds is a demanding task. A female hummingbird has to find enough food to fuel her own body and help her young in the nest grow and thrive. It’s a full-time job during the daylight hours. She’s pressed hard to succeed at raising two young. Attempting to care for more would most likely prove impossible.

In this photo provided by Mildred Wright, two eggs are shown snug inside the female ruby-throated hummingbird’s nest.

Now that many female hummingbirds are finishing up the task of bringing forth a new generation of hummingbirds, the leisurely fall migration can begin. Hummingbirds are not as frantic about moving south in the fall as they are single-minded about heading north every spring. Numbers of these birds always reach a peak in late summer and early fall at my home, and this year’s shaping up to be a repeat of past ones.

Hummingbird species number around 340, making the family second in species only to the tyrant flycatchers in sheer size. Both of these families consist of birds exclusive to the New World.

With so many hummingbird species, people have been hard pressed to give descriptive names to all these tiny gems. Some of the dazzling array of names include little hermit, hook-billed hermit, fiery topaz, sooty barbthroat, white-throated daggerbill, hyacinth visorbearer, sparkling violetear, horned sungem, black-eared fairy, white-tailed goldenthroat, green mango, green-throated carib, amethyst-throated sunangel, green-backed firecrown, wire-crested thorntail, festive coquette, bronze-tailed comet, black-breasted hillstar, black-tailed trainbearer, blue-mantled thornbill, bearded mountaineer, colorful puffleg, marvelous spatuletail, bronzy inca, rainbow starfrontlet, velvet-purple coronet, pink-throated brilliant, coppery emerald, snowcap, golden-tailed sapphire and violet-bellied hummingbird.

Photo by Peggy_Marco/Pixabay.com • The “Doctor Bird,” which is also known as the swallow-tailed hummingbird, resides only on Jamaica.

Our own hummingbird, which we can claim from April through October every year, is the ruby-throated hummingbird. Ruby-throats are remarkable birds that nest throughout the eastern United States as well as southern Canada. In winter, most ruby-throats withdraw to Central America and Mexico, although a few winter in Florida. They are famous for the amazing feat of crossing the Gulf of Mexico twice each year as they travel to their nesting grounds and then back to their overwintering homes.

Photo by BarbeeAnne/Pixabay.com • The bee hummingbird of Cuba is the smallest bird in the world.

The next generation of hummingbirds always helps swell the number of these tiny birds in our yards in late summer and early fall. It’s our duty as host to keep them safe as they stop in our yards and gardens during their fall migration. Many of the hummingbirds in the fall will be making their first migration, so they will need all the help we can provide to make a successful journey.

Perhaps consider enhancing your plantings of summer flowers while also continuing to offer multiple sugar water feeders. Keep the sugar water mix at a four parts water to one part sugar ratio. Don’t offer honey in your feeders. When mixed with water, it can spoil and spread fungal diseases. Remember that hummingbirds don’t subsist on sugar water alone. They also eat numerous tiny insects and spiders to obtain the protein they need for their dietary needs, so don’t use insecticides near feeders or flowers that hummers are likely to visit.

So, until October frosts eventually drive them out of the region, enjoy the ruby-throated hummingbirds while you can.

Photo by Geschenkpanda/Pixabay.com • The buff-bellied coronet is a hummingbird native to Colombia, Ecuador and Venezuela.

Belted kingfisher and its kin successful at fishing, much more

Photo by Public Domain Photos/Pixabay.com • A female belted kingfisher returns to a perch after a successful catch.

A belted kingfisher has visited the fish pond quite frequently throughout this summer. The bird’s arrival is usually heralded by its hoarse, rattling call. The bird is rather shy, so any observation usually has to be done with some degree of stealth.

Belted kingfisher

I know fishing is a favorite pastime for many people. In these times of social distancing, there’s probably nothing better for some people to do than to spend a lazy summer afternoon baiting a hook and trying their luck at their favorite fishing spot. While doing so, they have probably encountered the angling counterpart among our feathered friends. The belted kingfisher’s nature as an angler rules out this bird visiting feeders in the backyard, but that doesn’t mean one is unlikely to see this bird. With a little strategic effort, a glimpse of a belted kingfisher is fairly easy to obtain, especially during the summer months. Any stream, pond, river or other body of water increases the chances of observing this fascinating bird.

The belted kingfisher prefers to perch on an exposed branch or a wire that overlooks a body of water that offers ample fishing opportunities. The belted kingfisher, however, is capable of hovering in place in order to spot and then capture its prey in an impressive plunge and lunge into the water.

Most of my observations of hunting kingfishers have involved the birds in their ambush approach to fishing — perching and diving on the unsuspecting fish. I have on a few occasions also observed kingfishers as they hover over the water in a quest for a meal.

The belted kingfisher, like most of its kin, looks to have a head and bill that are slightly too large for the rest of the body. It’s the long, heavy bill that the belted kingfisher uses to snatch fish from their watery homes.

The term “belted” refers to bands of feathers across the bird’s belly. Female belted kingfishers sport bands of rusty-red and blue feathers, while males are limited to a blue belt across the upper breast. Female belted kingfishers are an exception to the rule that most male birds are more vividly colored than their female companions.

A walnut tree with some dead branches overlooking my family’s fish pond is a favorite perching site for visiting belted kingfishers. A few become become regular visitors almost every spring and summer. In past years, I’ve been delighted by pairs of kingfishers that have brought as many as six of their offspring to hunt around the edges of the pond and creek near my home.

When a belted kingfisher does manage to capture a fish — not always a certainty, despite their great skill — the bird will usually fly to a perch where they will beat the fish unconscious before swallowing it. I remember one particular kingfisher that liked to catch fish in the creek and then fly to the corner of the metal garage roof where the bird proceeded to beat senseless the unlucky fish.

Photo by Pixabay.com • The pied kingfisher is a common member of the kingfisher family that ranges throughout Europe.

While the belted kingfisher is the only one of its kind in the eastern United States, the kingfishers are a large family of birds found around the globe. Worldwide, there are about 90 species of kingfishers that range in size from the 16-inch-long laughing kookaburra of Australia to the tiny African dwarf kingfisher, which at four inches in length is smaller than most sparrows. This family of birds is divided into three groupings: the river kingfishers, the tree kingfishers and the water kingfishers.

Despite the name “kingfisher,” not all kingfishers exist on a diet of fish. Some members of the kingfisher family instead prey on other quarry, such as snakes, lizards and insects.

Some of the varied names for members of this far-flung family of birds include moustached kingfisher, malachite kingfisher, shining-blue kingfisher, azure kingfisher, hook-billed kingfisher, little kingfisher, banded kingfisher, red-breasted paradise kingfisher, lilac kingfisher, glittering kingfisher, great-billed kingfisher, chocolate-backed kingfisher, ultramarine kingfisher, chattering kingfisher and yellow-billed kingfisher.

Photo by WelshPixie/Pixabay.com • The malachite kingfisher is a river kingfisher widely distributed in Africa south of the Sahara.

The family also consists of a group of related birds from Australia and New Guinea known as kookaburras, which includes blue-winged kookaburra, spangled kookaburra, rufous-bellied kookaburra, and the well-known laughing kookaburra. Hollywood often dubs the raucous calls of kookaburras into the background soundscapes of movies and shows with tropical themes.

Photo by Magee/Pixabay.com • The raucous calls of the kookaburra, an Australian kingfisher, are often incorporated into the background of jungle scenes in Hollywood movies.

There’s nothing quite so disappointing as coming home empty-handed after a day of fishing. Belted kingfishers rarely suffer that disappointment. Although not successful in every attempt, the belted kingfisher is certainly exceptional in its pursuit of fish. According to John Eastman in his book, “Birds of Lake, Pond and Marsh,” the belted kingfisher typically captures about 10 fish per day. That’s a feat that many human anglers might envy.

 

Woman documents special relationship with pine warblers in photographs

Photo by Rebecca Boyd • Pine warblers Petey and Petunia take mealworms from a waiting hand. These two warblers have learned to trust Rebecca “Becky” Boyd in order to get a quick meal.

For Becky Boyd, the ongoing pandemic has provided an unexpected opportunity to get to know some of her resident birds on a more personal basis. She has even won the trust of some of her backyard birds, succeeding at persuading them to take food right from her hands. She has posted photographs of some of these up close and personal engagements with birds to her Facebook page, where I first began to look with awe at her success.

Boyd, who resides in Knoxville, Tennessee, discussed some of her incredible stories involving some of her own feathered friends. “First, I feel like I should explain my bird-feeding station,” she said. “My bedroom window is on the second story, adjacent to a deck.”

She noted that there is a flower box under the window that she placed a board across so that she could set food containers right outside the window. “I also have a mealworm feeder hanging from a swing arm near this window,” Becky said.

She removed the screen covering the window so that she could pull the window open to take pictures up close. “This window is next to my home office work desk, where I sit every day during the COVID pandemic while working from home,” Becky continued. “The birds have become accustomed to seeing me at the window, and the first bird that I was able to feed by hand was a ruby-throated hummingbird.”

The process didn’t take all that much effort. “I got one of those little ‘button’ feeders’ that I held out the window next to the regular feeder,” she explained. “After a half dozen attempts, it worked!”

She added that she was even able to take a video of the experience.

Boyd also spoke about her relationship with the Eastern bluebirds living in her yard. “I have a bonded pair of bluebirds that live in my yard year round, and produce three broods of babies every year,” she said. “During time periods when natural food is scarce and when they are raising offspring, I provide live mealworms in addition to dried mealworms.”

She also has a section of a tree limb with recessed holes in which she spreads Wild Birds Unlimited’s Bark Butter (a specially formulated suet) onto. The limb hangs from a hook outside the same window.

Photo by Rebecca Boyd • Petey the pine warbler grabs a mealworm from a waiting hand. Petey’s trust eventually helped introduce his mate, Petunia, to the concept of a “free lunch” at the Knoxville home of Rebecca Boyd.

Most birding enthusiasts know that bluebirds and hummingbirds are among the most trusting of birds in regard to people, but Becky has enjoyed success with some species that are usually more aloof. For instance, the limb with the “bark butter” attracted the notice of a male pine warbler earlier this year.

“Sometimes when I would spread new butter on the stick, he would flutter around close by, being impatient to get something to eat,” she explained. “A few times he landed on my hand or arm during the process.”

Then the warbler discovered the little white dish that Becky keeps filled with live mealworms intended for the bluebirds. “At first, I would reach out to take the bowl away,” she said. “Live worms are sort of expensive.”

But the persistent warbler, who she named Petey, started landing on the lip of the bowl while she held it in her hand to protect the mealworms for the bluebirds.

“Once he associated that white bowl with yummy live worms, he started watching from a nearby tree for me to open the window to put out worms,” Becky said. “He would fly over immediately to grab some.”

His forward nature inspired her to conduct an experiment.

“Often, he would helicopter over the bowl in my hand with impatience, so I tried keeping the bowl in my hand instead of setting it on the ledge,” Becky continued. “He adapted right away, and before long his mate, Petunia, started copying his behavior.”

Becky expanded the experiment. “Within a week or so, I decided to try just putting the worms in the palm of my hand instead of in the bowl,” she said. “Petey adapted right away, but Petunia was a bit more reluctant.”

Becky noted with pride that Petey will perch on her hand for quite a while to gobble up some worms for himself. He will then grab a few in his beak to take back to the nest for their offspring.

“Petunia is more tentative and strategic, and will typically land just long enough to grab a few worms,” Becky said. “I’ve noticed that oftentimes they will take their worms and squish them into the bark butter or dunk them in the birdbath before taking them back to the nest. I wonder if that makes the worms stop wiggling to make it easier for the babies to eat them.”

Becky assumed that the warblers would only eat from her hand stuck out through the window opening, but one day she was sitting in a lawn chair in her back yard.

Photo by Rebecca Boyd • Pine warbler Petey ducks his beak into a bowl of mealworms for a quick snack.

“Petey found me and started fluttering around looking for food,” she recalled. “He followed me back to the house and waited on the deck ledge for me to fetch him some worms.”

He has become quite insistent. “When I would sit on the deck to read or watch the birds, he would land on the table and trill at me with a loud, shrill song until I met his requirements,” Becky said.

Now, when she is sitting at her desk working, Petey often gets her attention by pecking on the window to let her know he’s there and waiting for worms.

“So, I keep a cup with some worms next to the window so I can quickly slide the window open and shake a few into my hand to offer him,” Becky said. “Once the first brood of fledglings started coming to the window, they chose to only eat the bark butter instead of gravitating to the mealworm feeder.”

Becky added that the fledglings have moved on now, and Petey and Petunia are working on their second brood.

Becky has some aspirations about other resident birds. “I would love to be able to hand-feed the bluebirds,” she shared. “They will come very close to me — sometimes almost nose to beak through the closed window — but they are not willing to get close enough to hand-feed.”

She has had some success getting a few of her resident tufted titmice to accept food from her hands. Petey and Petunia deserve some of the credit.

“The titmice watched how the pine warblers ate from my hand and picked up the routine very quickly,” Becky said. “One of them is so bold, I sometimes have to try to shake him off my hand like he’s a housefly, but he comes right back to latch onto my fingers!”

She often names some of the regular cast of characters among her feathered friends.

Pine warbler pair Petey and Petunia have raised two fledglings, which Becky dubbed Posey and Pansy.

She has given her Eastern bluebird pair the names of Bogie and Bacall.

“They lost all but one fledgling from their first brood this year, so I named her Solo,” Becky added. “This pair has nested in my yard for four years in a row.

Her two reliable ruby-throated hummingbirds have been given the names LeRoy and Loretta.

Photo by Jean Potter • A pine warbler visits a seed feeder at the home of Brookie and Jean Potter near Wilbur Lake in Elizabethton, Tennessee.

I asked if she has ever been described as a “bird whisperer” by her friends. “All the time!” Becky responded. “Many of my friends and Facebook Birding Group members are as amazed as I am about this experience.

Becky noted that her backyard attracts a wide variety, as well as volume, of birds. “I try to make it attractive to the birds versus pretty for the people,” she said. “I always keep two clean birdbaths available to them, and consistently keep feeders full of different types of seeds.”

In addition, she said that she plants bird-loving trees and shrubs and even left a couple of dead trees standing in the yard for the woodpeckers to enjoy. “I also try to make myself visible to the birds on a regular basis so that they understand that I’m not a threat,” Becky said. “I’m not sure if I have an actual gift, or if this is all just a wonderful result of spending so much time at home in their environment.”

Her special encounters with backyard birds provides a “rewarding feeling of awe and intrigue,” she said. “Having such a personal relationship with wild birds deepens my awareness of nature and makes me even more determined to help our songbird populations survive and thrive. That being said, I do recognize that wild birds should not be tamed such that they lose their fear of humans. Understanding this risk, I feel a mixture of joy and a little guilt. I don’t plan to encourage this behavior with any new birds, but I sure am enjoying my bond with this pine warbler pair.

Friends don’t always fully understand her enthusiasm for birds.

“Some don’t understand my passion for this or recognize how rare it is to have a personal relationship with wild birds, but most of my friends are also nature lovers who are in awe of this and wish they could do it, too,” Becky said.

“I joke that I should build a solid fence around my property and charge admission to my bird park,” Becky said. “My friends have encouraged me to start my own website to display and sell my bird photos, and I am in the process now of building my website, which will be named RidgeRockArts.com.”

In the meantime, Petey is on the verge of achieving a taste of international fame.

“An accomplished artist in Amsterdam recently saw one of my photos of Petey perched on my hand and asked to paint him to add to her portfolio,” Becky said.

Petey even crowded into the interview’s conclusion. “Here he is right now pecking on the window during this interview,” Becky said. “I must stop what I’m doing and get him a handful of worms right this instant. I think he is the one that trained me versus me training him.”

 

On the menu: everything from ‘murder hornets’ to snails among some of the things birds eat

Photo by Noutch/Pixabay.com • Although its name might suggest otherwise, the honey buzzard isn’t looking to dip its beak in something sweet. These unusual raptors raid the hives of bees and wasps to feed on the larval form of these stinging insects.

It’s not all bird seed and suet cakes for many of our feathered friends. Some of the world’s nearly 10,000 species of birds show some unusual tastes when it comes to their food. Facebook friend Philip Laws, who resides in Limestone Cove in Unicoi, shared a photo recently of a European honey buzzard, a type of raptor that’s developed a knack for raiding the hives of bees and wasps. A comment on the post suggested that the buzzard had developed a taste for sweets.

Actually, the truth’s a bit stranger. While many of the hives attacked by the buzzard are loaded with sweet honey, this aberrant raptor’s more interested in the larval bees and wasps housed in the hive’s honeycomb nursery chambers. The honey buzzard, also known as a pern or common pern, is related to such carnivorous raptors as sharp-shinned hawks and rough-legged hawks. 

If you’re worried about the so-called “murder hornets” in recent news articles, just know that the honey buzzard is the only predator known to feed on these insects. In fact, the honey buzzard takes great relish in dining on the larval forms of these wasps, which are more accurately known as Asian giant hornets. The honey buzzard’s head feathers are like scales, helping protect this vulnerable area from stings. In addition, some experts believe the buzzard’s feathers contain a chemical insect deterrent. This raptor also has long toes and claws it can use to dig into a hive.

Photo hbieser/Pixabay.com • The hoatzin, a bird native to South America, feeds almost exclusively on foliage, making it one of the few “grazers” among the world’s birds.

While many birds are seed-eaters, few of them have evolved as grazers and vegetarians. In South America, however, there’s a most unusual bird known as the hoatzin. Also known by such names as “reptile bird,” “stink bird,” “skunk bird” and “Canje pheasant,” the hoatzin lives in swamps and mangrove forests in the Amazon and Orinoco basins of South America. 

One of the hoatzin’s claim to fame is that it’s a folivore, which simply means it eats foliage, or leaves, as well as fruit and flowers. The bird has even developed a special stomach called a “rumen,” that permits bacterial fermentation of the leaves it devours. Some studies indicate that as much as 80 percent of a hoatzin’s diet consists of leaves. 

The great blue turaco is an African bird that, like most other members of the turaco family, eats mostly fruit, but this bird will eat leaves and even algae when fruit is scarce. Closer to home, the cedar waxwing’s a well-known fruit lover. Birds that eat mostly fruit are known as “frugivores.” A large flock of waxwings can make short work of the fruit of holly or mulberry trees. The berries they eat can even affect their appearance. Some waxwings show an orange, not yellow, tail tip. The orange coloration is the result of the birds eating honeysuckle berries with a red pigment.

Photo by Arkin54/Pixabay.com • Turacos, such as this Guinea turaco, are mostly eater of fruits.

Fans of French cuisine have probably sampled “escargot,” which is basically culinary snails. Of course, humans have a wide range of unusual tastes. There is a species of bird that specializes on feeding on snails, albeit without the garlic and butter of the traditional French dish. The snail kite is found in southern Florida, especially in the Everglades. This raptor feeds almost exclusively on apple snails and has even evolved a specialized hooked beak to help rip the snail from its protective shell. 

Around the globe, various birds have evolved as “sanitation crews” for the ecosystems that they inhabit. Vultures in both the Old World and New World feed on carrion, although a few species will tackle living animals. On the African plains, different vultures have evolved to clean up the carcasses of large herbivores. Different ones have become quite familiar to fans of nature documentaries. These are the large vultures that quickly claim a carcass once lions and other predators have eaten their fill.

Photo by Pixabay.com • The lappet-faced vulture is a scavenging bird, feeding mostly from animal carcasses found in dry savannah habitats.

Some of the species include Egyptian vulture, Indian vulture, lappet-faced vulture and griffon vulture. Many of the Old World vultures are declining at alarming rates largely due to poisoning by insecticides and other chemicals. Their populations are crashing in a similar way to that of bald eagles, which were brought to the brink of extinction because of the use of the pesticide DDT in the 1950s an 1960s. 

While I wouldn’t suggest we offer snails, salads or carrion at our feeders, the dietary habits of some of our birds just go to show what fascinating creatures birds truly are.

Photo by Bryan Stevens • Turkey vultures scavenge a road-killed animal.

Returning ruby-throats, like the rest of world’s hummingbirds, never fail to dazzle

Photo by Anne and Saturnino Miranda/Pixabay.com • The Cuban emerald is a species of hummingbird found in a wide range of semi-open habitats in Cuba, as well as the Isle of Pines and the western Bahamas. Numbering 330 species, the world’s hummingbirds dazzle humans with their incredibly diverse plumages.

Experts estimate that there are 330 species of hummingbirds, all of which are found in the New World. Consider that these dazzling little birds have been given vividly descriptive names, such as cinnamon-throated hermit, red-tailed comet, blue-chinned sapphire, lazuline sabrewing, sparkling violetear, fiery topaz, green-tailed goldenthroat, bronze-tailed plumeleteer,  amethyst-throated mountain-gem, peacock coquette, red-billed emerald, empress brilliant, purple-backed sunbeam, green-backed hillstar, orange-throated sunangel, black metaltail, marvelous spatuletail and blue-tufted starthroat.

The only reliable species to inhabit the eastern United States from spring to fall each year is the ruby-throated hummingbird, which is currently arriving at various points from Florida to Maine and westward to states like Illinois, Minnesota and Oklahoma.

Photo by Bryan Stevens • Numbers of Ruby-throated Hummingbird in the region tend to fluctuate each year, but people should see a spike in their numbers when the hummingbirds end summer nesting and start migrating south again this autumn.

One of my most memorable hummingbird sightings took place in January of 1999 during a cruise in the Bahamas. A stopover in Nassau and a visit to the Paradise Island Resort permitted me a fleeting glimpse of a Bahama woodstar, a small hummingbird with a superficial resemblance to the ruby-throated hummingbird. The real beauty from my visit to the Bahamas, however, took place on a private cay maintained by the Disney Cruise line. While many passengers enjoyed the sun and sand of the beach, I walked nature trails to find birds. 

Photo by Daniel Roberts/Pixabay.com • The calliope hummingbird is the smallest of its kind known to reside in North America.

I found Western spindalis, then known as stripe-headed tanager, as well as black-faced grassquits and bananaquits, and I got several close looks at male and female Cuban emeralds, a hummingbird found in a wide range of semi-open habitats in Cuba, the Isle of Pines and the western Bahamas. The male is almost entirely metallic or iridescent green and measures almost four inches long. The ones I encountered were also curious and quite tame, often flying within inches of my face. 

Other than the two hummingbirds I saw during that trip, my remaining hummingbird observations have been confined to the United States. That hasn’t prevented me from seeing such unexpected hummingbirds as green-breasted mango, calliope hummingbird, black-chinned hummingbird, rufous hummingbird, Allen’s hummingbird, and broad-tailed hummingbird. 

Photo by Anne and Saturnino Miranda/Pixabay.com • It’s not difficult at all to see how the male Cuban emerald in such vibrant green plumage acquired its common name.

If I ever win the lottery, I plan to see as many hummingbirds as I can. For now, I am happy to report that ruby-throated hummingbirds are returning to northeast Tennessee, southwest Virginia, and western North Carolina.

I received an email from Susie Parks, who lives in the North Cove section of McDowell County in North Carolina. “My daughter, Luanne Graham, and I sighted our first hummer on March 28,” Priscilla noted. 

“I read your column in the McDowell News,” she added. “I am 84 years old and have been a birder most of my life.” 

Susie added that she and her daughter are both retired teachers who live next to each other. “We put our feeders out earlier than usual because she had heard that the hummers might be arriving earlier this year,” Susie wrote.

Susie noted that the first hummingbird sighted at her own feeder arrived on the first day of April, a few days after the hummingbird that visited her daughter’s feeder. “I keep a journal and I always note the first sighting,” she added, “and this is the earliest hummer I have ever recorded.”

This sightings by Susie and Luanne are the earliest I’ve had reported to me this year. 

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Facebook friend Jimmie Daniels in Newland, North Carolina, reported on her Facebook page that the first hummingbird of spring arrived at 6:24 p.m. on Wednesday, April 8.  “We just saw our first hummingbird and that always makes me happy,” she wrote. “If you have not put out feeders yet, it is a good time to do that.”

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Bob Cheers of Bristol, Virginia, reported a ruby-throated female arrived at his home at 7:55 a.m. on Friday, April 10. He speculated that the hummingbird was possibly “the same gal that arrived last year on the same day but 10 hours later.” Bob added that hummingbirds are amazing and that it was almost inconceivable to him that it could be the same bird. Bob, who had read in previous columns that downy woodpeckers and Carolina chickadees occasionally take a sip of sugar water from hummingbird feeders, also asked if I had ever heard of a red-bellied woodpecker feeding regularly at a hummingbird feeder. I’ve not personally witnessed this, but perhaps some readers have seen red-bellied woodpeckers at sugar water feeders. Let me know!

Photo by Bryan Stevens • Despite a perceived disadvantage of size, ruby-throated hummingbirds are quite capable of thriving in a giant world.

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Brenda Hickman Dishner posted on my Facebook page that she spotted her first hummer of spring on Friday, April 10. “We live near Highway 421 and Houston Dam in Bristol, Tennessee,” she added.

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Philip Laws, who lives in Limestone Cove in Unicoi County, reported to me on Facebook that he saw his first hummingbirds on April 10. “Hummers returned to Limestone Cove on Good Friday,” Philip noted.

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Jeanne Siler Lilly reported her first spring hummingbird with a comment on my Facebook page. “I saw one at my feeder on April 10,” she wrote, adding that the bird visited a couple of times.

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Mary Jones in Johnson City said her first hummingbird this year arrived on April 11. “I had one show up the Saturday before Easter and every day since,” she wrote in a Facebook comment. 

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Dianna Lynne in Elizabethton saw her first hummingbird this spring on April 11. “They stopped in on Easter morning at the porch feeder here in Stoney Creek,” Dianne said in a comment on Facebook.

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Erwin resident Amy Wallin Tipton saw her first ruby-throated hummingbird on Easter Sunday.  “I just wanted to let you know I just saw my first male ruby-throat of the season,” Amy wrote in a Facebook message. “It was at 11:55 a.m.”

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Lia Pritchard saw her first hummer of the season on Easter Sunday at her home in Fall Branch, Tennessee. Her father, Glen Eller, shared the report of Lia’s sighting.

Photo by Bryan Stevens • Keep hummingbirds happy with a sugar water solution of four parts water to one part sugar.

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Lynda Carter, who lives in Jonesborough, saw her first hummingbird at 8:45 a.m. on Monday, April 13, after a stormy night. “The bird may have blown in sideways from Arkansas last night,” Lynda joked in an email.

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Richard Lewis in Bristol sent me a message on Facebook to announce the arrival of his first spring hummingbird. “I had my first ruby-throated hummingbird Monday, April 13, at 6 p.m. at my home in Bristol, Tennessee,” he wrote.

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Joneen Sargent, who lives in Sullivan County west of Holston Lake off Highway 421, emailed me at 8:06 p.m. on Monday, April 13, to report her first spring hummingbird. “Just saw my first hummingbird of the season,” Joneen wrote. “Gives me hope.”

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Jane Arnold emailed me to notify me of her mother’s hummingbird sighting. Her mother, Betty Poole, who lives in Abingdon, Virginia, saw her first hummingbird — a female — on Wednesday, April 15. Jane’s still awaiting her first spring hummer. 

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Priscilla Gutierrez saw the first hummingbirds of spring the morning of Wednesday, April 15. “I put out a feeder and by 6 p.m. they were coming to [the] feeder,” Priscilla added in a comment on my Facebook page. 

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Erwin resident April Kerns Fain posted on her Facebook page at 5:32 p.m. on Thursday, April 16, that she saw her first hummingbird. 

Erwin resident Pattie Rowland posted on my Facebook page that she saw her first ruby-throated hummingbird on Friday, April 17. “Just saw a hummer in Erwin,” Pattie wrote. 

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Sharee Bowman reported her first hummingbird of spring in a Facebook message. “I saw my first hummingbird in Cedar Bluff, Virginia, on Friday, April 17,” she wrote. 

Photo by Bryan Stevens • A ruby-throated hummingbird lifts its wings to shake water droplets off its back.

Several different species of hawks make their home in region

Photo by Bryan Stevens • This captive red-shouldered hawk was rehabilitated after suffering an injury and now works in an educational program at Brookgreen Gardens in South Carolina to teach the public about raptors, other birds, and various types of wildlife.

In recent weeks, I’ve enjoyed some observations of the region’s larger raptors, including red-tailed hawks and red-shouldered hawks.

Anyone who travels along the region’s Interstate Highway System has probably noticed hawks perched in trees or on utility lines adjacent to the roadway. The section of Interstate 26 that runs between Unicoi and Johnson City is often a productive area for keeping alert for raptors. The raptor I have most often observed along this stretch of road is the Red-tailed Hawk, although I have also observed Cooper’s Hawk, Sharp-shinned Hawk, and American Kestrel. In the time of spring and fall migration, it’s also possible to observe Broad-winged Hawks.

The Red-tailed Hawk is named for its prominent red tail. However, only adults show the characteristic red tail. The affinity for Red-tailed Hawks for roadsides is a double-edged sword. Viewing a large hawk from your car is an easy way to watch birds. For inexperienced or careless raptors, however, roadside living is often rife with the chance for a collision with a car or truck. The Red-tailed Hawk, which prefers open countryside, is attracted to the margins of roads and highways because these locations also attract their favorite prey, which includes rodents like rats, squirrels and mice and other small mammals such as rabbits.

Human behavior contributes to some of the problems that hawks encounter in the zone that brings them too close for comfort to motorized vehicles. When people toss trash from a car, the scent of the litter will lure curious and hungry rodents. In turn, hunting hawks are brought to the edges of roads in search of their preferred prey, increasing the likelihood of colliding with automobiles.

Photo by Bryan Stevens • A calling red-shouldered hawk perched in a dead tree on Pawleys Island in South Carolina.

In recent days, I have also noticed a Red-shouldered Hawk lurking among the branches of the large weeping willow next to the fish pond. The Red-shoulder Hawk typically prefers wetland habitats and is less likely to haunt roadsides. According to a factsheet published by the New York State Department of Environmental Conservation, this raptor breeds in moist woodlands, riverine forests, the borders of swamps, open pine woods and similar habitats. Nesting almost always occurs near water, such as a swamp, river or pond.

The Red-shouldered Hawk produces a distinctive, piercing whistle that reminds me of the shrill call of a Killdeer. The visiting Red-shouldered Hawk has been silent so far, perhaps not wishing to draw attention. The few times the local crows have noticed the presence of any sort of raptor, they’ve flocked together to mob the unfortunate hawk. It’s also not the right time of year; during courtship and the subsequent nesting period, these hawks are vocal, but at other times of the year, they are rarely heard. It’s also possible to mistakenly think you have heard one of these large hawks. Blue Jays have apparently learned to imitate the “kee-yar” call of this hawk, often working a flawless rendition of the whistled notes of this large raptor.

In contrast to the related Red-tailed Hawk, the Red-shouldered Hawk soars less and prefers to perch hidden in the cover of trees. This hawk’s name comes from the reddish-brown shoulder patches in the bird’s wings. Adults show a tail marked with vivid bands of black and white that is quite distinctive. The Red-shouldered Hawk belongs to the same genus of raptors as its larger relative, the Red-tailed Hawk. The genus, buteo, includes about two dozen large raptors that are often the dominant avian predators in their respective habitats.

Early naturalist and artist John James Audubon painted this pair of red-shouldered hawk.

Some of the buteo species have adapted to life on islands, including the Galapagos Hawk and the Hawaiian Hawk. Some of these hawks have quite descriptive names, including the White-throated Hawk, Gray-lined Hawk, Zone-tailed Hawk and Short-tailed Hawk. Outside the United States, raptors in the buteo genus are often known as “buzzards.” When the first European colonists came to the New World, they applied the term buzzard to both types of native vultures as well as the large raptors like Swainson’s Hawk and Broad-winged Hawk that reminded them of the ones back in Europe.

All too often, our large hawks don’t receive the love they deserve from the public. They may even run afoul of misinformed individuals who may regard all predatory birds as “bad.” The reality is that all hawks are valuable components of a healthy, working ecosystem, with each species filling a certain niche.

People report American robins lingering this winter

Photo by fotocitizen/Pixabay.com • An American robin fluffs its feathers to stay warm on a cold, wintry day. While the robin is a migratory bird, it’s not unusual for many individuals to forego migration in order to stay on their nesting range the whole year.

A stroll on some walking trails through the woods on Jan. 11 near my home resulted in my first 2020 observation of American robins. The presence of robins during the winter can be a hit-or-miss affair. After I posted my sighting on Facebook, I received plenty of anecdotal evidence to support my belief that many robins decided to skip migration this past fall and spend the winter in the region.

Jennifer Bauer, park superintendent for Sycamore Shoals State Historic Park in Elizabethton, Tennessee, posted that she saw a flock of about 25 robins at the park on Jan. 10.

Anne Powell Cowan, a resident of Bristol, Tennessee, commented that she has seen robins in Bristol all winter. “They never left,” Anne wrote in her comment. “We also have a red-headed woodpecker at our farm in Sullivan County.”

Betty Lacy in Elizabethton, Tennessee, posted that she is hosting a “swarm” of robins. “They love my tall hemlock hedges,” Betty wrote. “I know there was well over 100 of them. They have made little openings all over the hedge where they go in and out!”

Photo by Bryan Stevens •  American robins, prominent in lawns and gardens during their annual spring migration, will turn their attention to nesting duties as soon as spring arrives. For now, some are content to spend the cold winter season a little farther north than some of their kin.

Vivian Hicks has noticed plenty of robins, too. “Robins have been hopping around and feeding in my yard in Southwest Virginia,” Vivian posted.

Mimi Hale has noticed the same in Elizabethton, Tennessee. “Robins have been all over my yard for the last several weeks,” she commented on my post.

Dawn Peters, who resides in Jonesborough, Tennessee, posted that robins have been present at her home since before Christmas.

Gloria Walton Blevins in Damascus, Virginia, also indicated the robins haven’t flown south. “They have been in Damascus all winter,” Gloria commented.

Teresa Treadway in Elizabethton, Tennessee, offered a humorous take on the abundance of robins. “Mine were so confused, they never left,” Teresa posted.

It was left to Catherine Romaine Henderson of Greer, South Carolina, to leave a question on my post. “Does that mean an early spring?” Catherine wondered in reaction to this winter’s abundance of robins.

Photo by Bryan Stevens • An American robin perches on a branch. The robin is one of the best-known song birds in the United States.

The American robin is indeed widely held to be a harbinger of spring. Furthermore, the robin is a popular American bird. In fact, this bird has been designated the official state bird by Wisconsin and Michigan.

In truth, many robins forego migration to endure a few months of cold weather. Their ability to shift their diet from earthworms and insects to fruit and feeder fare helps robins eke out a living. Robins remain an abundant bird but their fondness for co-existing with humans can leave them vulnerable to pesticides applied to lawns and gardens.

According to the website, “All About Birds,” the American robin nests three times a year. On average, however, only 40 percent of robin nests succeed at fledging young. Even once out of the nest, young robins are vulnerable. The website estimates that only 25 percent of each year’s fledged robins will reach November. So, the young robins that join some of the large flocks people are seeing in the region are birds that have beaten the odds.

Photo by Bryan Stevens • Even once out of the nest, young robins, such as the one pictured here, are vulnerable. Experts estimate that only 25 percent of each year’s fledged robins will reach November.

Even the robins that do depart the region each fall don’t migrate far. Many robins that spend the summer in Canada or the United States only migrate as far as the Gulf States, southern Florida, southern California, Baja California and Mexico.

Robins are such friendly and engaging birds. If we can have them near us for 12 months of the year, who’s going to complain? They have even adapted to take food at feeders. If you’d like to try your luck at attracting robins to feeders, know that they like their sunflower seeds hulled. They will also eat mealworms, fruit, peanut hearts and suet. Robins prefer to feed on the ground or on an open platform feeder.

Photo by Bryan Stevens • While American robins like fruit when its available, they also spend a lot of time feeding on earthworms and insects.