Sunflower fields as critter-friendly habitats — part 1: birds and butterflies

Last month, many residents of the county where I live were alerted to the eruption of profusely blooming sunflowers that were attracting both birds and people. The avians were looking for tasty seeds, as well as bugs attracted to the blooms, and the humans were seeking beauty and backdrops for photo portraits.

 

Sunflower fields are so popular in our area that they feature on the TV news and in online tourism guides. The NC Museum of Art has sunflower fields and offered a sold-out Sunflower Photography Workshop.

Many birds love sunflower seeds, but it can be difficult to see the foragers as they may be dining at blooms lower down on stems. The bright blue indigo buntings are sometimes easy to spot but I couldn’t get photos of them feeding. Red-winged blackbirds (Agelaius phoeniceus) and American goldfinches (Spinus tristis) will often perch atop a bloom to peck away at the ripening seeds.

   

Other birds were active in the vicinity of the fields, but I didn’t see them at the flowers. For example, the Eastern wood-pewee (Contopus virens) stayed in the vicinity of a nearby pond while I visited.

The Eastern meadowlarks (Sturnella magna) flitted about in nearby meadows. I didn’t see them among the sunflowers.

It’s not only the birds and people that like sunflowers, however. A field of these flowers is a boon for pollinators. The Orange County fields that I visited featured hundreds of butterflies. The most numerous were the orange sulphurs (Colias eurytheme).

As I watched, pairs of sulphurs would often flutter around one another, ascending high up in the air. It was interesting to see that two types of female orange sulphurs were present. Some were yellow-hued like the males; others were whitish in color, known as the Alba variant.

These sulphurs are also known as alfalfa butterflies and the larva is sometimes called the alfalfa caterpillar. An interesting fact about these sulphurs is that the males’ hind wings have an ultraviolet light reflectance pattern, while the females’ hind wings have an ultraviolet absorbing pattern so that they can be distinguished in flight.

Another abundantly present butterfly species were the cabbage whites (Pieris rapae), which were accidentally introduced into North America around 1860. They didn’t seem attracted to the sunflowers per se but instead were fluttering around and landing on the other flowering plants mixed in with them.

Of these small butterflies had me stumped for an ID at first; it was yellowish in color and didn’t have prominent black spots. However, an entomology expert on BugGuide assured me that it was a cabbage white.

Various types of skipper butterflies were feeding on the sunflowers.

There were a few variegated fritillaries (Euptoieta claudia) visiting the sunflowers and an occasional black swallowtail (Papilio polyxenes) fluttered into view as well.

Both the cabbage whites and orange sulphurs were visiting muddy spots at a nearby pond.

This behavior is known both as mudding and mud-puddling and occurs when the butterflies are looking for certain nutrients in mud and rotting plant matter.

Observations have indicated that most of the puddling butterflies are males who often appear to be ingesting salts and amino acids. These substances seem to improve the males’ reproductive success and they transfer these compounds to females when they mate. The nutrients then contribute to the survival of the deposited eggs. Wouldn’t it be interesting if human males could transfer nutritional benefits to offspring in that way?

A latecomer to the puddling parties was a lone common buckeye butterfly (Junonia coenia Hübner). This species generates several generations of offspring each summer and I’m always pleased to see them in my own yard.

Next blog: the sunflower field visit continues with some other numerous visitors!

My one greed that I do not regret

 

My thoughts & walking wander
Sometimes in conjunction
& sometimes on different paths.

The wheezy red-winged blackbird
Calls out time on this quiet Sunday morning.

An hour’s worth of nature should do me today.
Enough to rejuvenate, calm down, re-fill with some contentment.

A dove’s hooo hooooo
A songbird’s chirrups
The hawk’s plaintive cry.

 

A united triumvirate causes the hawk to flee
As it appears to clutch a prize in its claws;
The flight is too fast to decipher its capture.
Nesting & fledging season continues, so the grackles’ vigilance is warranted.

 

As a vulture descends
Circling downward over my head, I wonder
What does s/he know that I don’t?
Or the grasshopper?
The Nez Perce people said: “Every animal knows more than you do.”

 

 

Lichen-covered and veined stones and rocks jut up from the dirt path.
My feet seek purchase since
An injured leg needs no more distress.

 

 

 

 

A silver-spotted skipper alights on spiky purple thistle
Beautiful white patch on velvety brown.

On another day the summer azures caught my eye.
So small with details of their beauty escaping the naked eye.
The wonders of technology bring them closer.

 

 

 

Someone else has been walking here, too,
Where wetlands waters once flowed.

 

The five-lined skink and Carolina anole
Are not coming out today.

 

The beaver pond is placid
The dragons dip and rise
Turtles break surface and sink
Frogs give a cry of alarm, jumping high-pitched into the depths.

A pair of kingfishers
Fly to and fro,
Practicing their observation skills

As they wait for their permanent colors to come in.

 

Leaves are trembling
Branches and twigs waving
The slightest of breezes beckons
And helps the cattails sway a bit.

 

 

 

 

 

It’s hot
Clothing damp and sticking.
Even the honeybee is not staying around long.

 

 

The brown thrasher, on the other hand,
Is enjoying a dust bath and sunbathing in the glaring light…
Until I surprise her/him from behind. Sorry!!

 

 

A three-way Japanese beetle gathering
Is staying put for a while
Eating up the leaves on which they rest.

 

 

A bright American goldfinch stops by.
I do not think of them as sad
Regardless of the name they were given.
Their brief presence makes me happy.

 

Two hours, 20 minutes…
Passed while admiring an eyed click beetle
And acknowledging deceptions in the natural world.

Two not-so-common looking buckeyes delight.
One a little tattered, showing age.
I can sympathize from experience.

 

 

The life-filled ground, plants, water and air
Enthrall.

An hour should do me?

An hour is enough?
It could suffice in some circumstances.
But the one greed I have, which I do not regret,
Is the desire for much more time among the non-human beings in nature.

The trails beckon.
Who’s waiting around the bend?

See anything good?

Sandy Creek path IMG_4981© Maria de Bruyn resThat’s a common question I get when I am out on one of my nature walks. Since I carry a camera with a large zoom lens and often a smaller camera, too, it’s obvious to passersby that I’m out observing nature. And I realize that when they ask the question, what they really want to know is whether I saw anything unusual or spectacular.

A recent walk at Sandy Creek Park in Durham, NC, was a case in point. I told one couple who posed the question that my most memorable sighting so far had been a male ebony jewelwing damselfly (Calopteryx maculata) – the iridescence of its body and wings in the sunlight was wonderful. They smiled a bit uncertainly and the lady of the pair admitted that she didn’t know anything about damselflies as they walked on.

ebony jewelwing I77A0417© Maria de Bruyn res   ebony jewelwing I77A0469© Maria de Bruyn res

Fragile Forktail damselfly I77A0648© Maria de Bruyn resAn hour or so later, another couple asked if I had “seen any good ones?” I repeated my delight in seeing the male damselfly, adding that the female is not as striking with her brown color and white spots. “Yes,” said the man, “that is often the case with other species. In our species, though, it’s the females who shine.” That may be the case some of the time, but my day was made by seeing a female damselfly that was a member of a new species for me – the fragile forktail (Ischnura posita).

 

My experience is that I find some beauty in almost all the wildlife I see (ticks and chiggers are an exception). So I want to share a few of those “good things” I saw at Sandy Creek Park last month in a two-part blog “tour”. In this first part, I’ll continue on with the insects.

Identifying dragonflies is not easy since the females and males can look quite different. The great blue skimmer (Libellula vibrans) provides an example – the male lives up to his name with a blue hue and large size, but the female shows off her beauty with a brown and yellow abdomen.

great blue skimmer dragonfly I77A0715© Maria de Bruyn res    great blue skimmer dragonfly I77A0741© Maria de Bruyn res

The Eastern pondhawk (Erythemis simplicicollis) has distinctively different appearances as a male and female. The adult male is a blue individual, sometimes with a bit of greenish tint; the female – and the immature males! – is brilliant with different shades of green. I remember being excited when I first spotted a female as their green color is so striking.

Eastern pondhawk I77A0721© Maria de Bruyn res  Eastern pondhawk I77A0749© Maria de Bruyn res

blue dasher I77A0172©Maria de Bruyn resThe blue dasher dragonfly (Pachydiplax longipennis) has some stripes, as do some of the bumble bees. The brown-belted bumble bee (Bombus griseocollis) lives up to its name with a brown stripe, while this American bumble bee (Bombus pensylvanicus) feeding on a trumpet vine (Campsis radicans) has white bands. Like honey bees, the latter bee has pollen baskets (corbicula) on its hind legs in which it stores pollen. I enjoyed watching this individual – s/he would dip down into the flower, back up a bit, and then plunge forward again, almost always keeping the pollen basket above the tip of the flower.

Brown-belted bumble bee I77A0218©Maria de Bruyn res   American bumble bee I77A0763© Maria de Bruyn2 res

Bumble bee I77A6297© Maria de Bruyn res

 

The pollen gatherers were numerous during both visits and willing to share the sources of their bounty – here you see a bumble bee (Bombus), syrphid fly (Toxomerus marginatus) and sweat bee (Halictus) feeding peacefully together on a coneflower (Echinacea).

 

 

Eastern carpenter bee IMG_0768© Maria de Bruyn res

 

 

The milkweed plants were attracting many species of pollinators; here an Eastern carpenter bee (Xylocopa virginica) was enjoying a meal.

 

 

common buckeye I77A0237© Maria de Bruyn res

 

While there were many, many bees the days of my visits, there were fewer butterflies but the common buckeye (Junonia coenia) was stunning!

 

 

The little wood satyr (Megisto cymela) and dun skipper (Euphyes vestris, to the lower right on the milkweed) were not as colorful, and some people might even call them dull, but they are still nice to see and the Eusarca moth (Eusarca confusaria) was also an evenly colored beauty. I had grown up thinking moths usually fly at night, attracted by lights so it still draws my attention when I see them in the daytime.

Little wood satyr I77A0584© Maria de Bruyn res         Eastern carpenter bee IMG_0804© Maria de Bruyn 2 res

Confused Eusarca moth Eusarca confusaria I77A5701© Maria de Bruyn

Even a somewhat tattered American lady (Vanessa virginiensis) offered a pretty view.

American lady I77A6238© Maria de Bruyn res

The broad-headed sharpshooter (Oncometopia orbona), a leaf hopper, and the spotted pink lady beetle (Coleomegilla maculata) are tiny but such colorful insects that close perusal of the vegetation helps you spot them (and presumably makes it easier for birds to see them, too?).

broad-headed sharpshooter Oncometopia orbona I77A0592© Maria de Bruyn      Spotted pink lady beetle I77A0081©Maria de Bruyn bg

Emerald ash borer trap I77A0719© Maria de Bruyn res

 

One beetle that we don’t really want to see is the emerald ash borer (Agrilus planipennis), an invasive species that came to the USA from Asia. The larvae of these beetles kill ash trees and the park administrators have hung a trap box for them to determine whether this species has reached the park.

 

 

Spotting mammals is not always easy at the park but one day fellow birder Jim was kind enough to alert me to an opossum (Didelphis virginiana) in a tree when we met on a walking path. He told me approximately where it was and I spotted that one and another in a nearby tree; I thought it might be a mother and grown offspring but that was a guess and I certainly couldn’t confirm it. As these are nocturnal animals, it was pretty cool for me to see two in broad daylight. The only marsupial found in the United States and Canada is a beneficial animal for us humans (and other wildlife) as they could eat up to 4000 ticks in a week! 

opossum IMG_0605© Maria de Bruyn res     opossum I77A5788© Maria de Bruyn res

One of the pair demonstrated that they can open their jaws widely – watching him/her slowly stretch that mouth offered me a surprise; I would think it couldn’t go any further and the animal continued to show that s/he could really please a dentist who would like lots of space to investigate those teeth.

opossum I77A5897© Maria de Bruyn res

Eastern cottontail rabbitI77A5578© Maria de Bruyn res

 

 

The Eastern cottontail rabbit (Sylvilagus floridanus) was not so lucky, carrying a fat tick in its ear. Too bad the opossums couldn’t come by and groom him/her and remove that pesky arachnid!

 

The park is not only attractive for the entomologists. Reptile enthusiasts can spot turtles fairly easily, especially in the spring when they are looking for places to lay their eggs. A large painted turtle was crossing a field looking for a spot, while an Eastern mud turtle (Kinosternon subrubrum) was trundling down a paved path one morning, not far from a pond which often has many painted turtles and red-eared sliders (Trachemys scripta elegans), like this one – who must have been a bit bothered by a bird feather caught in its shell.

Eastern mud turtle IMG_0741© Maria de Bruyn res    Red-eared slider I77A5941© Maria de Bruyn2

Which bird could it have been? I’m thinking a swallow – see part 2 of the tour for a view of the species and more of the wonderful biodiversity that can be seen in the park.

 

Flying rays of sunshine, spirits on the wing – part 2

Cabbage white butterfly DK7A2287© Maria de Bruyn resWhen a butterfly like the cabbage white (Pieris rapae) alights on a flower or leaf, we sometimes have a little time to see them more clearly and appreciate their beauty; capturing a photo for leisurely viewing gives us the chance to focus on details. And those details are important if we want to determine their correct scientific names since entomologists have differentiated many species and sub-species, sometimes on the basis of factors such as the shape of their spots.

One butterfly pair that can be puzzling are the silvery checkerspot (Chlosyne nycteis, top), with a small white center to one of its spots in the lower row, and the pearl crescent (Phyciodes tharos), which was abundant this year.

silvery checkerspot DK7A1405© Maria de Bruyn res

pearl crescent DK7A1469© Maria de Bruyn res pearl crescent DK7A4689© Maria de Bruyn res

The Eastern comma (Polygonia comma) and question mark (Polygonia interrogationis) look really similar, too. Perhaps the difference in their distinguishing underside marking is really apparent to proofreaders.

Eastern comma DK7A5636© Maria de Bruyn resQuestion mark DK7A3181© Maria de Bruyn res

The easiest way to distinguish the endangered monarch (Danaus plexippus) and the viceroy (Limenitis archippus) is that the viceroy has a black stripe running horizontally across its lower wings.

monarch DK7A7941© Maria de Bruyn res

viceroy DK7A5128© Maria de Bruyn res

Eastern tiger swallowtail DK7A2096© Maria de Bruyn res

The swallowtails are always a favorite, including the Eastern tiger swallowtail (Papilio glaucus) with differently colored males (yellow) and females (yellow and also blue).

 

Eastern tiger swallowtail DK7A7768© Maria de Bruyn res Eastern tiger swallowtail DK7A0256© Maria de Bruyn res

Zebra swallowtail DK7A0046© Maria de Bruyn res

The zebra swallowtail (Protographium marcellus) really catches your eye as it flutters about, while the pipevine swallowtail (Battus philenor) is a little more subdued.

 

Pipevine swallowtail DK7A9681© Maria de Bruyn res Pipevine swallowtail DK7A9691© Maria de Bruyn

The red spotted purples (Limenitis arthemis) come in different variations; this one enjoyed the hummingbird nectar this summer.

Red-spotted purple DK7A0518© Maria de Bruyn res Red-spotted purple DK7A0998© Maria de Bruyn res

Another new butterfly for me this year was the great spangled fritillary (Speyeria cybele), which I enjoyed seeing as they enjoyed common milkweed (Asclepias syriaca) at the Horton Grove Nature Reserve.

great spangled fritillary DK7A5377© Maria de Bruyn res Great spangled fritillary DK7A5052© Maria de Bruyn res

Hackberry emperor DK7A6150© Maria de Bruyn resThe hackberry emperor (Asterocampa celtis) turned up at Jordan Lake, while the common buckeye (Junonia coenia) – whose beauty is anything but common! – was in my yard and various nature reserves. I also observed a pair getting ready to propagate the next generation.

 

 

common buckeye DK7A1181© Maria de Bruyn common buckeye DK7A8729© Maria de Bruyn res common buckeye IMG_9470© Maria de Bruyn res common buckeye IMG_9538© Maria de Bruyn res

Some of the tinier butterflies are delicate beauties, like the Summer azure (Celastrina neglecta), the gray hairstreak – which can look brown (Strymon melinus), the Eastern tailed-blue (Cupido comyntas) and the Carolina satyr (Hermeuptychia sosybius).

Summer azure DK7A5424© Maria de BruynGray hairstreak DK7A4495© Maria de Bruyn

Eastern tailed-blue DK7A1141© Maria de Bruyn resCarolina Satyr DK7A5279 © Maria de Bruyn res2

To end, here are two more beauties that I had the privilege to see this year. I hope  seeing these butterflies and those in my previous blog brightened your day, especially if you have been dealing with sorrow as I have while this year approaches its end.

Southern pearly eye DK7A9953© Maria de Bruyn resNorthern pearly-eye DK7A7752©Maria de Bruyn res

Southern pearly eye (Lethe portlandia) and Northern pearly-eye (Enodia anthedon)