Category Archives: Butterflies

Birds share fall skies with migrating butterflies, dragonflies

During a stop at the Unicoi Walmart to visit the pharmacy on Wednesday, Sept. 3, I spied an energetic fluttering of wings in the garden center. Although I’ve spied various birds, including Carolina wrens and house sparrows, making themselves at home in this garden center, this winged creature was quite a bit smaller.

I watched the butterfly flit from marigold to zinnia to fall mums, feasting on the nectar the blooms provided. A closer look revealed the butterfly’s identity as a long-tailed skipper, a species more likely found in South Carolina, Georgia and Florida than Northeast Tennessee.

Photo by Bryan Stevens • A long-tailed skipper sips nectar from a marigold at the garden center at the Unicoi Walmart.

According to Wikipedia, the long-tailed skipper is a spread-winged skipper butterfly found throughout tropical and subtropical South America, south to Argentina and north into the eastern United States and southern Ontario. It cannot live in areas with prolonged frost. I have seen lots of them in South Carolina and Georgia; this is my second sighting of one in Northeast Tennessee. I found the first one in a garden in Elizabethton near the Covered Bridge.

The sighting reminded me that it’s not only birds using the skies for migration as we advance toward the autumn season. I also remembered a question I got from a reader back in 2014. Rhonda Eller of Chilhowie, Virginia, posted a question on my Facebook page about some dragonflies that appeared in her yard on Sept. 10.

“We have had a sudden breakout of dragonflies in our yard,” Rhonda explained. “We seldom see more than one or two at a time.”

Rhonda wondered if the dragonflies might have been drawn to her yard in pursuit of some sort of favorite insect prey. She also speculated that the recent dry conditions might have attracted the dragonflies.

Photo by Bryan Stevens • The wandering glider is a migratory species of dragonfly.

I responded at the time to her query by explaining that birds share the skies at this time of year with many other migrants. Some dragonflies, just like birds, migrate. A species known as green darner is one that migrates. These darners are rather large, for a dragonfly, and travel in swarms. A couple of years ago I observed thousands of these dragonflies swarming over a municipal swimming pool and a nearby fish pond at Erwin Fishery Park.

The WSLS Channel 10 television station out of Roanoke, Virginia, reported on swarms of dragonflies so large that they got picked up by local radar. Rhonda shared a link to the station’s story on my Facebook page.

Of course, swarms of migrating insects are bound to get the attention of predatory birds. The same day that Rhonda experienced the influx of migrating dragonflies, I witnessed dozens of common nighthawks and chimney swifts swooping through the skies over my home. With a little more attention to detail, I also noticed the dragonflies sharing the skies with these birds.

I suspect that the nighthawks were feeding on the large darners while the swifts, which are much smaller birds, focused their foraging efforts on smaller winged insects. Tom McNeil, a neighbor and fellow member of the Elizabethton Bird Club, reported seeing nighthawks and swifts, too. Tom lives on the other side of a mountain ridge that separates our homes.

Tim Morris, a Facebook friend from Australia, noted in a comment on my post about the nighthawks that his country is home to a bird known as the tawny frogmouth, a relative of the common nighthawk. Tim noted that frogmouths are big birds with camouflage markings that allow them to pretend to be dead tree boughs by day. “They feed not only on insects but mice and lizards, too,” he added.

Evidence of fall migration continued the next day when I detected a small wave of warblers foraging in trees at the edge of my yard. I saw five different species — American redstart, worm-eating warbler, Cape May warbler, Blackburnian warbler and Tennessee warbler — in the space of half an hour. Of the warblers in the flock, the Blackburnian and Cape May are some of the more vibrant ones.

So far in 2024, warblers have absented themselves from my yard this fall. It’s started to aggravate me, but I’ll try to be patient.

The Blackburnian warbler’s common name commemorates Anna Blackburne, an English naturalist who lived from 1726 to 1793. Her brother, Ashton, had immigrated to the United States, which made it possible for him to send his sister many specimens, especially birds. Their father, a salt merchant by trade, was also a well-respected amateur naturalist. In addition to the warbler that bears her name, Anna Blackburne also had a species of beetle named in her honor.

Both the Cape May and Tennessee warblers are named for the locations from which they were first collected. Neither of these small songbirds are closely affiliated with Cape May, New Jersey, or the Volunteer State. The Cape May warbler is also known as the “tiger warbler” for the dramatic black striping across its bright yellow breast. A green back and chestnut cheek patch make the Cape May warbler quite unlike any of its close kin. Even its former scientific name — Setophaga tigrina — paid homage to the striped big cat. The term “setophaga” translates to “moth eater” and is a reference to this warbler’s intense fondness for the caterpillars known as spruce budworms that occasionally produce outbreaks in the northern spruce forests that serve as the nesting range for the Cape May warbler.

According to the website, “All About Birds,” Cape May warblers have unusually shaped tongues that allow them to sip nectar from tropical flowers during the winter months spent in Central America and the Caribbean. Their unique tongues also make it possible for them to enjoy sips of sugar water from hummingbird feeders.

Whether its dragonflies, nighthawks, warblers, hummingbirds or a long-tailed skipper in a Walmart garden center, plenty of birds and other flying creatures will be moving through the region for the next few weeks. Now’s the time to get outdoors and look for some of these migrants.

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Bryan Stevens has been birding actively for about 30 years. He has written a weekly column on birds and birding since 1995. To ask a question, make a comment or share a sighting, email him at ahoodedwarbler@aol.com.

There’s change in the air…

With every passing day, autumn is creeping closer. The calendar indicates that the first official day of fall is Sept. 23, but the rest of the world around us doesn’t wait for us to turn the page.

Photo by Bryan Stevens Asters, which come in a variety of colors, are usually a late-blooming wildflower.

Photo by Bryan Stevens
Asters, which come in a variety of colors, are usually a late-blooming wildflower.

Fall is upon us, which is apparent in a myriad of subtle signs, from the blooms of new wildflowers to the last surge of the season’s butterflies and dragonflies.

Of course, there’s also the migration of our feathered friends.

 

The dazzling birds of spring, such as Scarlet Tanagers and Rose-breasted Grosbeaks, are winging their way through our backyards again.

Photo by Bryan Stevens  Many butterflies, such as this swallowtail, look rather tattered this far into the season.

Photo by Bryan Stevens
Many butterflies, such as this swallowtail, look rather tattered this far into the season.

Many of these visitors have adopted a more subdued appearance as they stage their earlier migration flights in reverse. Then, there are fall warblers, sometimes also known by birders as “confusing fall warblers” since not only do observers have to distinguish between differences in male and female plumages, but also must contend with immature birds that resemble neither of their parents.

 

Want to learn how to quickly identify some of these so-called “confusing” warblers you may see flitting through the treetops this fall? Simply visit

http://dl.allaboutbirds.org/download_the_warbler_guide_quickfinders?utm_campaign=Warrbler-Campaign&utm_source=facebook&utm_campaign=Warbler-Campaign&utm_source=adwords&gclid=Cj0KEQjw-dSgBRDb0oOl9MzxqMEBEiQAkHqy-YYJxjOHJaXTUB4yRx0CewNowVY0m5PyD9K46roYfJkaAkuO8P8HAQ

Along the edges of ponds, the final dragonflies of the season have begun to emerge. Autumn Meadowhawks and Blue-faced Meadowhawks have both made appearance at my fish pond along Simerly Creek Road.  Other dragonflies have been scarce, and the damselflies have almost disappeared. I am still seeing a few Eastern Pondhawks, Blue Dashers, Eastern Amberwings and even a Fawn Darner.

Photo by Bryan Stevens The aptly-named Autumn Meadowhawk is one of the last dragonflies to emerge each year.

Photo by Bryan Stevens
The aptly-named Autumn Meadowhawk is one of the last dragonflies to emerge each year.

During a visit to Erwin Fishery Park on Sept. 12, I was amazed to observe thousands of dragonflies — basically, a swarm of these incredible winged insects — hawking for smaller winged insects in the air above the now-closed swimming pool at the municipal park.

Most of the individuals in this incredible swarm looked like Green Darners, but I think a few other species had also joined the feeding frenzy. Green Darners, incidentally, are known for gathering in large flocks, just like birds, and staging their own migratory flights.

Photo by Bryan Stevens Katydids, some resembling nothing so much as a green leaf, are becoming more prominent as summer transitions into fall.

Photo by Bryan Stevens
Katydids, some resembling nothing so much as a green leaf, are becoming more prominent as summer transitions into fall.

Speaking of insects, I’ve also been hearing Katydids. A recent post of a Katydid photo on my Facebook page prompted responses that brought up the old superstition that the first frost will take place several weeks after the Katydids begin their nocturnal serenades.

I always look forward to September, but it always seems to be an extremely busy month for me. This year’s no exception, but I am determined to carve out some time to enjoy this month of transition.

Join me in paying closer attention to the world around you this month. There are new birds to see almost every day if you simply take the time to look. If the birds are absent, look with even more attention to detail and you’re sure to be rewarded with some other remarkable observations.

Photo by Bryan Stevens A male Hooded Warbler makes a quick journey through the back yard.

Photo by Bryan Stevens
A male Hooded Warbler makes a quick journey through the back yard.

Photo by Bryan Stevens

Photo by Bryan Stevens A newly-hatched Snapping Turtle will have a few weeks to grow before burrowing down to hibernate through the long, cold winter season.

Invite butterflies into your gardens, yards

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Photo by Bryan Stevens                                                    Spicebush Swallowtail and Tiger Swallowtail seeking salts and minerals from the edge of a gravel driveway.

 

I’m taking a break from the birds for one week to bring you some other things with wings in the form of a pictorial essay on butterflies, which include such families of winged insects as skippers, swallowtails, fritillaries and much more.

Most of these photos were taken at my home on Simerly Creek Road in Hampton, TN. A few were taken in other locations, including South Carolina and Georgia.

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Photo by Bryan Stevens                             White Peacock found on Fripp Island, S.C., in October of 2012.  Resident from Argentina north through Central America, Mexico and the West Indies to South Texas and southern Florida. This butterfly migrates and temporarily colonizes to central Texas and coastal South Carolina. It is a rare wanderer to North Carolina, Missouri, Nebraska and Kansas.

According to the North American Butterfly Association, there are about 20,000 species of butterflies in the world. About 725 species have occurred in North American north of Mexico, with about 575 of these occurring regularly in the lower 48 states of the United States, and with about 275 species occurring regularly in Canada. Roughly 2,000 species are found in Mexico.

Butterflies are part of the class of Insects in the order Lepidoptera. Moths are also included in this order.

Butterflies are not newcomers to the world of insects. Fossilized butterflies are known to date back to the Eocene epoch, some 40 to 50 million years ago.

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Photo by Bryan Stevens                                Some butterflies, such as the sulphurs, are known to migrate.

According to NABA, species that move northward each year include Cloudless Sulphur, Little Yellow, Gulf Fritillary, Painted Lady, American Lady, Red Admiral, Common Buckeye, Long-tailed Skipper, Clouded Skipper, Fiery Skipper, Sachem and Ocola Skipper.

In especially good years, one can see Painted Ladies, Cloudless Sulphurs or Clouded Skippers streaming northward along migratory routes. Most years, however, these migrant dispersals are so gradual they don’t attract much notice. During fall trips to coastal South Carolina, I have often noticed hundreds of Cloudless Sulphurs along the edges of the interstate highway system.

Photo by Bryan Stevens A Monarch sips nectar from blooming Ironweed.

Photo by Bryan Stevens
A Monarch sips nectar from blooming Ironweed.

PipeVineSwallowtails

Photo by Bryan Stevens                            Pipevine Swallowtails seeks nectar from zinnia blooms. This butterfly was the most common one found during the recent Roan Mountain Butterfly Count. A total of 236 individual Pipevine Swallowtails, many located on milkweed in the fields at the Dave Miller Homestead at Roan Mountain State Park, were found.

The North American Butterfly Association holds annual Butterfly Count in much the same manner as the Audubon Society conducts annual Christmas Bird Counts. Locally, an Elizabethton Butterfly Count and a Roan Mountain Butterfly Count are conducted every July and August.

Each count is a compilation of all butterflies observed at sites within a 15-mile diameter count circle in a one-day period. The annually published reports provide a tremendous amount of information about the geographical distribution and relative population sizes of the species counted. Comparisons of the results across years can be used to monitor changes in butterfly populations and study the effects of weather and habitat change on North American butterflies.

This year’s first attempt at conducting the 22nd annual Roan Mountain Butterfly Count was rained out. A week later — July 26 — the count was re-scheduled and enjoyed a convergence of good weather and abundant flowers. A total of 764 individual butterflies were counted. The total of 34 species was considered very high for this count, according to compiler Don Holt.

Diana-Male-Two

Photo by Bryan Stevens                                                                  A male Diana Fritillary seeks nectar from a zinnia bloom.

Holt noted that other common species found on this count included Silver-spotted Skipper, Aphrodite Fritillary, Eastern Tailed Blue and Meadow Fritillary. Some exceptional finds included a male Diana Fritillary at the Dave Miller Homestead and a Harvester at Hampton Creek Cove.

Photo by Bryan Stevens Northern Pearly Eye

Photo by Bryan Stevens                                                                                                                        A Northern Pearly Eye perches on the vertical surface of a concrete step.

CabbageWhite-Joe-Pye

Photo by Bryan Stevens                                                                                                                        The non-native Cabbage White is one of the few butterflies considered an agricultural pest. The butterfly’s caterpillars damage such crops as cabbage, as well as other mustard family plants.

Checkerspot-Dorsal

Photo by Bryan Stevens                                                                                                                              A Northern Checkerspot finds colorful coneflowers a convenient perch.

WoodNymph-ONE

Photo by Bryan Stevens                                                                                                                                A Wood Nymph clings to a leaf near a pond.

To attract more butterflies closer to your home, landscape with a variety of flowers and plants. Don’t forget to provide host plants that will feed hungry caterpillars, as well as nectar-rich flowers to feed adult butterflies. Do not use insecticides! You want to welcome these beautiful insects, not kill them.

To learn more, visit this page provided by the Missouri Botanical Garden.

http://www.missouribotanicalgarden.org/visit/family-of-attractions/butterfly-house/butterflies-and-plants/butterfly-gardening.aspx

LeastSkipper-2

Photo by Bryan Stevens                                                                                                                        The Least Skipper is one of the smallest of butterflies in the eastern United States.

There are several fun Facebook pages for butterfly enthusiasts. Check out https://www.facebook.com/groups/ButterfliesoftheeasternUnitedStates/  and https://www.facebook.com/groups/303259184298/

Red-SpotPurple

Photo by Bryan Stevens                                                                                                                                Red-spotted Purple perches atop a platform provided by a wide poplar leaf.

Buckeye-Spread

Photo by Bryan Stevens                                                                                                                                         A Common Buckeye suns itself in a gravel driveway.

RedAdmiral

Photo by Bryan Stevens                                                                                                                                      Red Admiral in the wetlands along the the Ivy Creek Greenway at George Pierce Park in Suwanee, Ga.