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Three Connecticut Warblers, a Wilson’s Warbler, Gray-cheeked Thrush and More!

September 22, 2012 By Communications Team

NOTE: For those of you viewing this post by email, please remember to click on the title to read the post from the actual site for a better viewing experience.

Common Yellowthroat.  Photo by Gloria Ives.
Common Yellowthroat. Photo by Gloria Ives.

Ode to a Bander’s Autumnal World

by Blake Goll

 As the ardent air of autumn eclipses the weary haze of summer’s last breath,

The wind whispers to the wild wings that it is time.

Oh how the northern trees must weep as they somberly settle into winter solitude

And yearn for the intimate avian romance that enchants their days of green.

By most of mankind, the birds’ desperate southern voyage goes unseen.

 

But to the fortunate few, like you and me, this is the splendor we have feverishly awaited!

As if a million precious gems of a giant royal chest were catapulted south,

We scramble frantically to touch as many as we can before they continue spilling past,

Each jewel in hand more exquisite and exciting than the last.

 

Like secretive spiders faithfully tending their dewy webs by dawn’s dim light,

We raise our mist nets in hopes of gently snaring a few denizens of the sky;

A small silver ring upon the ankle, a reverent study of intricate feathers, then the rapturous release that leaves us breathless in awe,

Each lovely feathered captive feeds our hunger to understand

The storied lives of the heavenly birds with whom we share the land.

Blake Goll carefully ageing a White-eyed Vireo by its feathers.  Photo by Gloria Ives.
Blake Goll carefully ageing a White-eyed Vireo by its feathers. Photo by Gloria Ives.

The feathered gems are indeed, flying southward in all earnest now.  The wood warblers are still abundant, but the mid-fall migrants are beginning to show up, like the thrushes, kinglets and Yellow-rumped Warblers.  The endless procession of catbirds still has not diminished and White-throated Sparrows have yet to reach us.

Northern Parula female.  Photo by Blake Goll.
Northern Parula female. Photo by Blake Goll.

Nothern Parula female.  Photo by Mariana Pesthy.
Nothern Parula female. Photo by Mariana Pesthy.

Yesterday, we banded 43 birds of eleven species for ten environmental educators from all over the country. The most notable birds were a beautiful first year female Northern Parula (only our third since 2010), a young Red-eyed Vireo (our second ever during migration banding) whose eyes were more brown than red,  and the first Gray-cheeked Thrush of the season!  We caught several Swainson’s Thrushes as well, distinguised from the Gray-cheeked by yellow orangish spectacles and buffy rather than gray cheeks.  The Gray-cheeked Thrush is the most northen breeder of all America’s spotted thrushes and is infrequently seen; its gray pallor is a reflection of its austere tundra environment.

Gray-cheeked Thrush.  Photo by Blake Goll.
Gray-cheeked Thrush. Photo by Blake Goll.
Gray-cheeked Thrush (left) and Swainson's Thrush.  Photo by Mariana Pesthy.
Gray-cheeked Thrush (left) and Swainson’s Thrush. Photo by Mariana Pesthy.
Young Red eyed Vireo.  Photo by Blake Goll.
Young Red eyed Vireo. Photo by Blake Goll.

Heard and seen (but not netted) yesterday at the banding station were several small kettles of Broad-winged Hawk (nothing compared to the tens of thousands counted at DelCo and MontCo hawk watches), Red-breasted Nuthatch, and at least three Rose-breasted Grosbeaks.   Sharp-shinned and Cooper’s Hawks circled over the net lanes looking for easy pickings.

We hosted 21 members of the Birding Club of Delaware County on Saturday and the staff of PA Audubon on Monday.  Both of these days were relatively slow (around 35 birds each day), but the quality was stupendous! No one was mourning when a female Connecticut Warbler materialized and mesmerized with her quiet, rare beauty.  This is a bird that evades most big time birders’ life lists, as I mentioned before, and it was our third of the season!  Check out bird photographer Matt Levanowitz’s guest blog post on Nemesis Bird about his quest to find the mysterious Connecticut.  Can somebody tell him he just needs to visit Rushton!?

Connecticut Warbler (female).  Photo by Justin Thompson.
Connecticut Warbler (female). Photo by Justin Thompson.

Other birds banded earlier this week include Swainson’s Thrushes, Magnolia Warblers, Ovenbirds, Common Yellowthroat, Northern Cardinal, Yellow Shafted Flicker, Wood Thrush, Field Sparrow and one scruffy young male Eastern Towhee.

Eastern Towhee (hatch year male).  Photo by Bob Pierce.
Eastern Towhee (hatch year male). Photo by Bob Pierce.
Northern Cardinal (hatch year male).  Photo by Blake Goll.
Northern Cardinal (hatch year male). Photo by Blake Goll.
Ovenbird getting his picture taken before release.  Photo by Blake Goll.
Ovenbird getting his picture taken before release. Photo by Blake Goll.
Wing of Yellow-shafted Flicker.  Photo by Blake Goll.
Wing of Yellow-shafted Flicker. Photo by Blake Goll.
Child with Magnolia Warbler (hatch year female) before release.  Photo by Blake Goll
Child with Magnolia Warbler (hatch year female) before release. Photo by Blake Goll

Though our banding crew was not able to be out last Sunday the 16th, it would have been great banding because there was a BIG flight over Southeastern PA the Saturday night before.  I birded the woodlot behind my house in West Chester that morning from 9-10:30am, which is far too late by most birders’ standards.  However, I really lucked out and got awesome close views of 13 migrant species bustling about: Chestnut-sided Warbler, Black-and-White Warbler, Black-throated Green Warbler, Northern Parula, Pine Warbler, Magnolia Warbler, Wood Thrush, Ruby-Crowned Kinglet, Rose-breasted Grosbeak, Red-eyed Vireo, Wood Pewee and my very first breath-taking BLACKBURNIAN WARBLERS!  Who says you have to set your alarm at the crack of dawn for birding? My warblers were feeding so low in the understory at one point that I could actually hear their bills snapping as they chased the insects out from the leaves and into the open air near me.  As close as they were though, it was still quite a task differentiating “confusing fall warbler” plumage.  It’s much easier in the hand than when they are darting through the canopy!

Male Chestnut-sided Warbler (Hatch year).  Photo by Blake Goll.
Male Chestnut-sided Warbler (Hatch year). Photo by Blake Goll.

Working my way backwards in news from Rushton banding station, last week we caught about 150 birds in 3 mornings.  Perhaps the most thrilling catch was an itty bitty WIWA or Wilson’s Warbler on 9/11, only the second ever for Rushton!  We measured the extensiveness of black on his head to determine he was an adult male.   These handsome little guys breed largely in Canada and the Pacific Northwest.

Wilson's Warbler ( an adult male).  Photo by Blake Goll.
Wilson’s Warbler ( an adult male). Photo by Blake Goll.

That same day we also banded a trio of refined Cedar Waxwings: an adult female and two “kids”.  Although we often hear and see Cedar Waxwing flocks feeding on berries and insects high in the hedgerow, this is the first time they have come down to our nets since fall of 2010.

Female Cedar Waxwing.  Photo by Blake Goll.
Female Cedar Waxwing. Photo by Blake Goll.
A hatch year female Cedar Waxwing.  Photo by Blake Goll.
A hatch year female Cedar Waxwing. Photo by Blake Goll.

On 9/11 we also banded three hatch year Song Sparrows, which we suspect are the ones born in the Tiger Stripe tomato plants this summer, a wonderful picture of the harmonious relationship between the sustainable farm and the birds.

Song Sparrow siblings.  Photo by Justin Thompson.
Song Sparrow siblings. Photo by Justin Thompson.
Asters and goldenrod at Rushton Farm.  Photo by Blake Goll.
Asters and goldenrod at Rushton Farm. Photo by Blake Goll.

At least two White-eyed Vireos were taunting us all last week, calling from the hedgerow, but never venturing into a net.  However, at the end of the week we did manage to catch one young White-eyed Vireo!  This is a fantastic bird with blue legs, an eery white, human-like eye and an uncanny resemblance to a miniature velociraptor, if you ask me.

White-eyed Vireo
White-eyed Vireo
Velociraptor
Velociraptor

Other birds banded last week include:

  • Another female Connecticut Warbler!
  • Black-and-White Warbler
  • Northern Waterthrush
  • Eastern Towhee
  • Yellow Shafted Flickers
  • Gray Catbird
  • Common Yellowthroat
  • House Wren
  • Carolina Wren
  • Ovenbird
  • Northern Cardinal
  • Magnolia Warbler
  • Swainson’s Thrush
  • Wood Thrush
  • Veery
  • Field Sparrow
  • American Robin
  • Young Indigo Buntings
Black-and-white Warbler (hatch year).  Photo by Justin Thompson.
Black-and-white Warbler (hatch year). Photo by Justin Thompson.
Female Ruby-throated Hummingbird in the net.
Female Ruby-throated Hummingbird in the net.
Young House Wren with bill deformity.  Photo by Blake Goll.
Young House Wren with bill deformity. This bird’s future success after mom stops feeding him is bleak. Photo by Blake Goll.

Birds noted but not banded last week include a dozen or so American Wood Cocks, which we flushed  at dawn’s first light from the fields, and a Common Nighthawk, which flew from its roost at the edge of the woods late one morning as we were closing the nets.

Songbird Banding Schedule

Rushton Banding Station is in operation and open to the public every Tuesday and Thursday mornings from 6am until 11am, unless it rains.  In addition, we will be open to visitors Wednesday morning September 26th, 6am-11am.

Songbird banding runs until mid to late October when we start banding for Northern Saw-whet Owls.  Stay tuned for more info about owl banding.

Young Gray Catbird.  Photo by Justin Thompson.
Young Gray Catbird. Photo by Justin Thompson.
The banding crew including Ellie, the staff pug and new banding mascot.
The banding crew including Ellie, the staff pug and new banding mascot. (Don’t worry-this pug has no interest in birds whatsoever).

Things To Do This Weekend:

Run-A-Muck is TOMORROW September 22!

Come out to support the Willistown Conservation Trust’s land preservation efforts and enjoy a challenging run or leisurely walk through the most scenic trails of rural Willistown, not normally open to the public.  Country supper, live music, wine, beer, movie under the stars, mechanical bull rides, prizes, raffle and more!  Click here to find out more.  Registration is only on a walk-in basis at this point, but you may still purchase raffle tickets online for a chance to win $5,000, even if you are not at the event!!

Hawk Mountain Art Show September 22-23

Check out the hawk watch and then enjoy the dozen talented wildlife artists who will have their artwork on display and for sale in the Visitor Center.  Click here to learn more about the artists.

By the way, on Monday 2,806 migrant monarch butterflies passed by the Hawk Mountain lookout, a one-day record that beats the average SEASON total over the last 21 years of 1,804 monarchs! WOW.

There’s a lot going on out there,

~Blake

Garter Snake waiting for the sun to warm her up.  Photo by Justin Thompson.
Garter Snake waiting for the morning sun to warm her up. Photo by Justin Thompson.

Filed Under: Bird Banding Tagged With: Bird banding, Connecticut Warbler, Gray-cheeked Thrush, White eyed Vireo, Wilson's warbler

Fall Banding Season Off to a Bright Start!

September 11, 2012 By Communications Team

Black-throated Green Warbler. Photo By Mark Moore.
Black-throated Green Warbler. Photo By Mark Moore.

Last week was the first official week of Rushton’s fall 2012 public banding season.  The rain prevented us from banding on Tuesday, but the rest of the week was fantastic!  Between last week and the week before (the last week of August), we have been averaging 45 birds per day of about 13 different species each day.  Our most common southbound species include Common Yellowthroat, Gray Catbird, Ovenbird, and House Wren.  Resident species (those that do not migrate) have included Northern Cardinal, Carolina Wren, Downy Woodpecker, Song Sparrow, and Northern Flicker (some do migrate).  The American Goldfinches are all over the place feeding on the thistle, but they have not hopped into our nets yet! Instead, a few obliging female Indigo buntings picked up the slack and got in line to get their “bracelets” before their sojourn.

Goldfinch on sunflower.  Photo by James Weisgerber.
Goldfinch on sunflower. Photo by James Weisgerber.

As for the warblers, those “butterflies of the bird world”, we have banded a stunning array so far.  Species included Black-and-white Warbler, Chestnut-sided Warbler, Northern Waterthrush (not a thrush at all), Magnolia Warbler, American Redstart, Canada Warbler, and Black-throated Blue Warbler.

Magnolia Warbler.  Photo by Justin Thompson.
Magnolia Warbler. Photo by Justin Thompson.

Uncommon birds included a Connecticut Warbler and Mourning Warbler, both of which were young hatch year birds and looked very similar!  The Connecticut Warbler is the more elusive of the two, evading more birders’ life lists than the Mourning, partly because of its habit of foraging in low, dense undergrowth during  migration.  It breeds in open larch-spruce bogs in the north and winters in the tropics.

First Fall Connecticut Warbler (with lots of ticks on its eyes!).  Photo by Blake Goll.
First Fall Connecticut Warbler (with lots of ticks on its eyes!). Photo by Blake Goll.
Mourning Warbler (Hatch Year male).  Photo by Blake Goll.
Mourning Warbler (Hatch Year male). Photo by Blake Goll.

The Mourning Warbler is more common within its range than the Connecticut Warbler, but also tends to remain hidden in thick vegetation. The Mourning Warbler has a darker gray hood than the Connecticut and a broken rather than complete eyering.

 Kentucky Warbler (A Second Year Male-first banded during summer 2012).  Photo by Blake Goll.
Kentucky Warbler (A Second Year Male-first banded during summer 2012). Photo by Blake Goll.

Another uncommon, low lying, hard-to-find warbler that we caught last week was the Kentucky Warbler, and not just ANY Kentucky Warbler.  It was the SAME one we banded this summer in Rushton Woods! A young male! We have no way of knowing whether he bred successfully or at all, but we know he’s alive and preparing for his trip to Central or South America!  This is grand news.  The Kentucky Warbler is declining throughout much of its range because it needs healthy native understory as opposed to understory invaded by multiflora rose and other invasive plants, so the fact that our bird seems healthy after a summer at Rushton is good.  Hopefully a female will join him next year….

Male Kentucky Warbler close-up.  Photo by Blake Goll.
Male Kentucky Warbler close-up. Photo by Blake Goll.

Last but not least, we banded Rushton’s very first Yellow-bellied Flycatcher on August 29th!  This is BIG NEWS!  This is a very cryptic, secretive bird that is uncommon during migration in our area.  It is a rare breeder in isolated mountain-top bogs in northcentral PA, but otherwise breeds in boreal forests and bogs of Canada.   This flycatcher winters in semi-open habitats of Central America and has been found in higher densities on shade-grown coffee plantations than sun-grown.

Yellow-bellied Flycatcher (Hatch Year- by yellowish wing bars).  Photo by Blake Goll.
Yellow-bellied Flycatcher (Hatch Year- by yellowish wing bars). Photo by Blake Goll.

Switch over to shade-grown coffee , if you haven’t already, to promote habitat for birds.  Check out Birds-and-Beans or Golden Valley Farms Coffee Roasters  right in West Chester!  It even tastes better than sun-grown coffee because the coffee cherries ripen slower in the shade, thus allowing more subtle flavors to develop.

Blake Goll with Ovenbird and PA Young Birders
Blake Goll with Ovenbird (before release) and PA Young Birders.

The Open House at the banding station this weekend was fun and educational for all!  There were about as many people as birds, 50 and 50.  The highlight bird species banded were of course the crowd-pleasing Carolina Chickadee and three young, molting Field Sparrows born this year!  The Field Sparrows were all in the same net together so they were obviously sticking together on their dispersal adventure.  We made sure to release them all at the same time, and they flew off together into the fields of goldenrod.  Field Sparrows are declining throughout their range due to their grassland  and field habitats disappearing.  The fact that we have them breeding here is another toast to the Willistown Conservation Trust’s land preservation efforts!

Young Field Sparrow siblings.  Photo by Rebecca Goll
Young Field Sparrow siblings. Photo by Rebecca Goll
Young Birder "caught gray handed"!  (Gray Catbird).  Photo by Gretchen Larson
Young Birder “caught gray handed”! (Gray Catbird). Photo by Gretchen Larson

Remember that all are invited to Rushton Woods banding station every Tuesday and Thursday throughout September and October to observe songbird banding.  Nets go up at 6am and we band until 11am.  No banding if it’s raining!  We expect to start getting more Wood Thrush, Veery and other thrushes.  Then come the White-throated sparrows and juncos!

Female Monarch on thistle.  Photo by Blake Goll.
Female Monarch on thistle. Photo by Blake Goll.

Many species of butterflies are also everywhere at Rushton nectaring from the thistle and goldenrod.  Hawk Mountain reported a 1-day record for Monarch migration on September 4th;  the hawk counters counted 883 monarchs floating past them on the ridge between 2 and 4 pm!

PA Young Birders with Tiger Swallowtail butterfly.  Photo by Blake Goll.
PA Young Birders with Tiger Swallowtail butterfly. Photo by Blake Goll.

PA Young Birders, don’t forget to register for the ABA Mid-Atlantic Young Birder Conference, September 22.  It’s at the Ashland Nature Center in Hockessin, DE and should be a great day of birding instruction, distinguished speakers, bird study skins and more!!  Click here for more information and to register.

There’s a lot going on in the woods and in the field,

~Blake

Praying Mantis eating Hummingbird Moth.  Photo by Blake Goll.
Praying Mantis eating Hummingbird Moth. Photo by Blake Goll.

Filed Under: Bird Banding, Bird Events Tagged With: Bird banding, Connecticut Warbler, Kentucky Warbler, Yellow-belied Flycatcher

Autumn Colors Are Flying Our Way, and Fall Banding Will Soon Begin

August 28, 2012 By Communications Team

Swamp Sparrow.  Photo by Justin Thompson
Swamp Sparrow. Photo by Justin Thompson.

Are you looking for a great spot to observe fall migration?  Since habitat is everything, the Willistown Conservation Trust invites you to visit the Rushton Woods Banding Station, which is an extraordinary place to watch birds congregate while they find plenty of food and protection from predators along their journey southward.

Rushton Farm in summer.  Photo by Blake Goll
Rushton Farm in summer. Photo by Blake Goll

Our public bird banding program will run every week during fall migration beginning Tuesday, September 4!

We will band songbirds every Tuesday and Thursday through the last week of October as weather permits-we will not band if it rains.  With our nets going up at sunrise, visitors wishing to see the most birds should arrive as early as possible.  Action is often constant until 11:00am, after which the nets are closed.  Feel free to stop by for an hour before work or stay the whole morning from 6am till 11am!

Rushton Banding Shelter.  Photo by Jodi Spragins.
Rushton Banding Shelter. Photo by Jodi Spragins.

Rushton Woods Banding Station is located at the Rushton Woods Preserve and Farm in Newtown Square, PA. (NOTE: GPS address is across the street from 950 Delchester Road, Newtown Square, PA).  Rushton is located at the corner of Goshen and Delchester Roads, with the entrance on Delchester Rd.  Park in the entrance parking lot and walk to the hedgerow opposite from Delchester Rd.  Hang a right when you get down to the hedgerow and quietly walk along the hedgerow past the net lanes until you see a mowed trail veering up through the hedgerow to your left.  Follow that and you’ll soon see the banding shelter.  Please approach quietly so as not to scare the birds.

Children observe a mist net in which the birds are gently caught.
Children observe a mist net in which the birds are gently caught.

Observers of all ages will get a chance to learn about birds from skilled bird banders and see all aspects of this exciting scientific process.  Birds we will be gently catching and banding are migrating south for the winter and are using Rushton as a stopover site to refuel and rest.  By inspecting the feathers of their wings, we can glean much important information about the amazing lives and the health of these beautiful birds.  The data we collect contribute to global bird conservation and helps us document the effects of our land preservation efforts on bird populations.

Second year female Northern Flicker.  (Ageing by feather molt and wear).  Photo by Blake Goll.
Second year female Northern Flicker. (Ageing by feather molt and wear). Photo by Blake Goll.

We are extremely grateful to the volunteers and staff members who contribute to the operation of our station by banding, serving as guides for visitors and presenting educational programs for groups.  Please remember that financial support comes entirely from the donations of individuals and organizations so please contact Lisa Kiziuk (lkr@wctrust.org) if you can help support the Willistown Conservation Trust’s Rushton Woods Banding Station.

Saw-whet Owl at  donation box.  Photo copyright Adrian Binns.  Note: No owls were compromised during this photo shoot.  They must be held for 10 minutes after banding to be sure their eyes have time to adjust to the darkness again, after which they may be placed on a perch (or donation box) and observed until take off.
Saw-whet Owl at donation box. Photo copyright Adrian Binns. Note: No owls were compromised during this photo shoot. They must be held for 10 minutes after banding to be sure their eyes have time to adjust to the darkness again, after which they may be placed on a perch (or donation box) and observed until take off.

Bird Banding Station Open House for Families – Saturday September 8th at Rushton Woods Preserve and Farm

In addition to the normal Tuesday and Thursday public hours, the banding station will be open to everyone, Young Birders, teens and adults, on Saturday September 8  anytime from sunrise (around 6am) until we close the nets at 11am.  We are not normally open on weekends, so don’t miss this opportunity to stop by and observe our fabulous fall migrants!

Episcopal Academy teacher and advisee with Baltimore Oriole female before release.  Photo by Blake Goll
Episcopal Academy teacher and advisee with Baltimore Oriole female before release. Photo by Blake Goll

PA Young Birders invited to visit Banding Station from 9-11am on Sept. 8 

During this time, other visitors and families are certainly welcome to observe bird banding, but we will kindly ask them to allow the children to take the “first row seats”.  PA Young Birders are welcome to come earlier than 9am too if they wish to see more spectacular birds.  Otherwise, from 9-11am Young Birders will be observing bird banding and learning about these amazing birds up close.  We’ll do some birding and explore the hedgerows to try to figure out what it is that’s drawing these traveling birds to this place.  We might get a chance to see other migrants too, like Monarch butterflies! Please RSVP to Blake Goll (bhg@wctrust.org or 610-353-2562 ext.20).

Banding a Magnolia Warbler and recording data.
Banding a Magnolia Warbler and recording data.

Lost and Found Caterpillar

Our PA Young Birder meeting last week about Monarchs and other butterflies was lots of fun!  John Black, a Master Naturalist for Edwin B. Forsythe National Wildlife Refuge in New Jersey, taught us all about the fascinating life cycles of Monarchs and what we can do for them, like plant milkweed host plants and nectar sources in our backyards.  Did you know that right before a  Monarch caterpillar becomes a chrysalis, it vomits out its insides? After all, it won’t need tough leaf-digesting organs as a nectar-drinking adult butterfly!

Young Birders looking at Monarch chrysalis.  Photo by Blake Goll.
Young Birders looking at Monarch chrysalis. Photo by Blake Goll.
John Black showing Young Birders a Monarch butterfly.  Photo by Blake Goll.
John Black showing Young Birders a Monarch butterfly. Photo by Blake Goll.
Passing Monarch to child for release.  Photo by Blake Goll.
Passing Monarch to child for release. Photo by Blake Goll.
Young Birders releasing a Monarch Butterfly.  Photo by Blake Goll.
Young Birders releasing a Monarch Butterfly. Photo by Blake Goll.

John even brought a butterfly-rearing tent containing live Monarch butterflies, which the children got to release, various instars of Monarch caterpillars, Spicebush Swallowtail caterpillars munching on spicebush, and Eastern Black Swallowtail caterpillars munching on parsley.  The Spicebush Swallowtail caterpillar was a favorite with its adorable “face” looking up at us!  Those eyespots are not eyes at all nor is that even its true head (it is underneath that “mask”), but this is an effective way to confuse predators.

Spicebush Swallowtail caterpillar. Photo by Derek Ramsey on Wikipedia (http://en.wikipedia.org/wiki/File:Spicebush_Swallowtail_Papilio_troilus_Caterpillar_2400px.jpg)
Spicebush Swallowtail caterpillar. Photo by Derek Ramsey on Wikipedia (http://en.wikipedia.org/wiki/File:Spicebush_Swallowtail_Papilio_troilus_Caterpillar_2400px.jpg)

However, we (the predators) confused the spicebush caterpillar when we accidentally shook the branch he was on!  To our dismay, the helpless caterpillar fell to the ground and landed somewhere amongst the grass where thirty minutes of rescue searching were to no avail.  John, having seen this happen many times before during his programs, knew just what to do.  He stuck a little spicebush twig with leaves into the ground near where the tiny caterpillar fell and simply went on with his program, not worried at all.

At the end of the night during cleanup, John collected his spicebush twig and the found caterpillar!  In just under half an hour, the little caterpillar smelled his life- giving host plant, found his way up to a leaf, and spun himself into his silk blanket with the tip of the leaf folded over him for the night.  Snug as a bug in a rug!  It just goes to show how sensitive these caterpillars are to their host plants.

Monarch caterpillar.  Photo by Margot Patterson.
Monarch caterpillar on milkweed. Photo by Margot Patterson.

That’s just one of the many reasons why it is so important to use native plants in your yard rather than fancy ornamentals.  It’s the native plants with which our native insects have evolved, so it’s the native plants we must plant to promote a healthy native habitat that supports native beauties like Monarchs.  If you have Butterfly Milkweed, Swamp Milkweed or Common Milkweed in your yard you may be hosting wonderful Monarch caterpillars who must feed solely on milkweed (this is what makes them toxic to birds as adults).  Other lovely native plants, like goldenrod and ironweed, will provide great nectar sources for adult Monarch butterflies.

Monarch on Joe Pyeweed outside the Willistown Conservation Trust office.
Monarch on Joe Pyeweed outside the Willistown Conservation Trust office.

Go to MonarchWatch.org to find out more about how to attract Monarchs to your garden and how to create a certified Monarch Waystation for migrating Monarchs!  They need our help.

A great field guide to the invertebrate community in a milkweed patch is “Milkweed, Monarchs and More” by Ba Rea, Karen Oberhauser, and Michael Quinn.

Milkweed Field Guide

End of Summer Observations

I can’t wait for those warblers but am having fun in the meantime just watching my bird feeders.  There are so many young birds born this summer visiting my feeders now, and even though they are starting to look exactly like the adults I can tell they are babies, mostly by their silly behavior.  I saw a young hummer at the sugar feeder the other day who had the most trouble trying to figure out where to stick his bill!  Goldfinch babies are begging from their parents incessantly at the sunflower feeder, young Tufted titmice are curiously hopping around on the floor of the deck instead of on the actual feeders, and Red-bellied Woodpeckers with gray heads are waiting patiently on the nearby tree for their mother to bring them a suet morsal or two.

Many of the adults are looking rather shaggy as they molt out of their tired “nesting season” feathers in preparation for the harsh cold weather ahead.  The goldfinches will soon lend their brilliant yellow color to the leaves of autumn as  little yellow warblers take center stage for a fleeting fall moment…

Ageing a Goldfinch. (Second Year)
Ageing an American Goldfinch. (Second Year)

We hope to see you at the banding station throughout the season!

Gratefully,

~Blake

Filed Under: Bird Banding, Bird Events Tagged With: Bird banding, fall migration, Monarch butterfly, PA Young Birders, Rushton Woods Preserve

As Nesting Season Comes to a Close…

August 13, 2012 By Communications Team

Banded male Indigo Bunting.  Photo by Justin Thompson.
Banded male Indigo Bunting. Photo by Justin Thompson.

Nesting season is over, and fall migration is very near.   We must soon say goodbye to migratory beauties, like the Indigo Bunting.  In fact, I have already noticed that the Gray Catbirds seem to have all but disappeared from my yard.  Their melodious songs and not so melodious cat-like calls are regrettably absent from the sparse late summer chorus of my backyard these days.

John James Audubon Catbird print.
John James Audubon Catbird print.

However, I did glimpse a shy young catbird in the woods privately stuffing his face full of Black Gum berries a few days ago.  The tree  has surprisingly already begun its foliar fruit flagging; its glossy, scarlet purple leaves alert the hungry migrating songbirds to a secret berry feast that might otherwise go undetected and thus wasted.  It’s amazing how all the parts of nature communicate so effectively with one another, as if the trees themselves speak a language we can neither hear nor understand.

Click here to visit the website of Marcia Bonta, prominent naturalist writer, to learn more about the imminent color of Autumn leaves and the migrant birds that depend on them.  Fascinating.

Black Gum berries and fall foliage.  Photo from <http://www.eattheweeds.com>
Black Gum berries and fall foliage. Photo from <http://www.eattheweeds.com>

Shorebird fall migration has been underway for a couple weeks now.  In fact, three new species have been added to our “Species Seen in 2012” list including the Semipalmated Sandpiper, Lesser Yellowlegs and Least Sandpiper.  These  birds, which are only seen in this area during migration, were all sighted at the mudflats at Springton Reservoir, a great place for “neighborhood shorebirding”.  This brings our total bird species seen in the Willistown area to 157!  Keep sending in those sightings so we can hit our goal of 165 bird species by the end of the year!

Flagged redknot from the Delaware Shorebird Project.  Photo by Blake Goll.
Flagged Redknot from the Delaware Shorebird Project. Photo by Blake Goll.

If you are planning on setting out on a shorebird birding adventure, keep in mind that the best flight days are days with WNW winds after a cold front.  As with songbirds, the juvenile shorebirds are not on the move yet.  After all, kids will be kids fooling around and lagging behind the adults.  Perhaps on your shorebird adventure to, say, the Delaware Bay, you might be lucky enough to spot B95, the  most amazing athlete in the world (the Olympic athletes have nothing on this bird!)

B95 is a 20 year old, 4-ounce Red Knot who, thanks to banding, was discovered to still be alive and healthy this spring after traveling a staggering distance equivalent to the moon and halfway back over his lifetime.  Check out this Philadelphia Inquirer article to learn more about the amazing “Moonbird” and the new book about him, by Phillip Hoose, geared towards youth but fascinating for adults too.

Also swiftly coming down the pike are the migratory raptors.  The Hawk Mountain hawk watch begins Wednesday and they have already reported a few migrants trickling in including Bald Eagle, Merlin, American Kestrel, Broad Winged Hawk and Sharp-shinned Hawks.  Keep track of the migration by visiting their Raptor Count page.  If you are planning a visit to Hawk Mountain this fall, be sure to check out their events calender as they have all kinds of great events, lectures and festivals going on, like Bald Eagle Migration Day August 25.

Sharp-shinnned Hawk (Young female) banded at Rushton last fall.  Photo by Blake Goll.
Sharp-shinnned Hawk (Young female) banded at Rushton last fall. Photo by Blake Goll.

Looking Ahead to Rushton Fall Banding

Fall songbird migration banding at Rushton will begin after Labor Day.  The exact date is yet to be determined, so stay tuned!  The banding station will be open to the public on Tuesdays and Thursdays from sunrise until 11am, through the first weeks of November.  Northern Saw-whet Owl banding will begin in October.

Common Yellowthroat being released after banding.  Photo by Adrian Binns.
Common Yellowthroat being released after banding. Photo by Adrian Binns.

Individuals and small groups never need a reservation for songbird banding in the morning.  Large groups should contact Lisa Kiziuk (lkr@wctrust.org) to make a reservation.  School teachers who would like to bring their classes to songbird banding should contact Blake Goll (bhg@wctrust.org).  These field trips can be catered to the needs of the class, but typically run from 9am –noon and include the three-station grand tour of our beautiful “outdoor classroom.”  The hands-on educational tour includes a study of the small scale-high yield, sustainable CSA farm, a woodland ecology walk, and observation of the science of bird banding.

Westtown 1st grade class at Rushton banding station.
Westtown 1st grade class at Rushton banding station observing Doris McGovern banding a Carolina Wren.

Anyone looking to bring a group to Saw-whet Owl banding this Fall should contact Lisa Kiziuk (lkr@wctrust.org) ASAP, as nights are quickly getting booked!

Rebecca Goll with Saw-whet Owl before release.
Rebecca Goll with Saw-whet Owl before release.

NOTE: To help support our growing number of quality education programs, please understand there may be a nominal fee associated with Rushton field trips and Saw-whet Owl banding.

PA Young Birders

Last month’s PAYB Poetry Workshop was exceptional, thanks to Cathy Staples (award winning poet and Villanova poetry professor) and her lovely assistant and daughter, Natalie Staples.  The young birders explored the community garden for sensory details to use in their poems.

Black Swallowtail Caterpillar on fennel host plant.  Photo by Blake Goll.
Black Swallowtail Caterpillar on fennel host plant. Photo by Blake Goll.
Young Birders sharing poetry (with Natalie and Cathy Staples).
Young Birders sharing poetry (with Natalie and Cathy Staples).

They were so inspired and focused that they did not seem to care much about the sweltering heat and humidity!  With Cathy and Natalie’s patient guidance, the children produced profound poems about the butterflies, birds, vegetables, flowers, and scenery they had observed.  Here are some of their masterpieces (If you click on them, they should open in another window and be easier to read):

One of the parents was even inspired to write a poem about the ferocious storm that cut our meeting short.  Before we were able to illustrate our poems, the sudden vehement wind and ominous rumbling clouds sent the parents and Young Birders frantically fleeing to their cars for safety as unused paint brushes and watercolor paper were sent whirling from the table….

Storm Coming
HUGE, billowing, deep, dark clouds covered the sky as we crossed Haverford Road.
Streetlights shone in the black, as if it were night.
Winds whipped branches and drove dust across our path.
The car hurtled faster, racing to beat the clouds home.
Would we make it?
Thunder rumbled its low throaty growl, seemingly distant, yet threatening so near.
Where was the lightning?   Where was the rain?
A rolling stop, a quick turn,
Accelerate, turn, faster.
Oh no, slow for the speed bump!
Accelerate, brake, another bump!
Here comes the wind raising a wake across the pond.
Wish the walker luck . . . she’ll soon be wet.
The last turn, pedal down, darn last bump.
Screeching into the carport, hop out and run for the door.
We made it!
By Sheryl Johnson
Tree Swallow at Rushton Farm.  Photo by Fred de Long.
Tree Swallow  on blueberry shrub at Rushton Farm. Photo by Fred de Long.

The next PAYB meeting, “Farm, Birds and Bugs,” is this Wednesday August 15 at Rushton Woods Preserve and Farm from 6-7:30pm.  This month’s meeting will feature guest speaker, John Black, a Master Naturalist for Edwin B. Forsythe National Wildlife Refuge in New Jersey.  He is also on the Board of Directors for the Atlantic Audubon Society and describes himself as a long-haired, tree-hugging, dirt worshiping environmentalist!  He will be sharing with us his vast knowledge about the natural world, especially native plants, spiders and insects, with an emphasis on the Monarch Butterfly.   We will discover these insects and birds of Rushton and learn how the sustainability of the farm brings people, animals and plants together in harmony.

Please RSVP to Blake Goll (bhg@wctrust.org).

Venusta Orchard spider.  Photo by John Black.
Venusta Orchard spider. Photo by John Black.
Male Monarch Butterfly on wildflowers.
Male Monarch Butterfly on Joe Pye Weed.

We would also like to encourage all PA Young Birders to attend the upcoming ABA Mid-Atlantic Young Birder Conference on September 22, 2012 from 9:00 to 4:00 (optional pre-conference birdwalk begins at 8:00) at the Ashland Nature Center, Hockessin, DE.  “Bird walks and hawk watching at the peak of fall migration will feature prominently, as will concurrent indoor learning sessions for new and experienced young birders alike, allowing everyone from elementary school through late teens to find things of interest. There will also be special sessions by and for parents, mentors, and club coordinators.”

For more information about this exciting conference, please visit  the website.

Our Last MAPS Mornings

“Summer MAPS (Monitoring Avian Productivity and Survivorship) banding for this year has come to a close. Our feet have grown accustomed to the rhythm of making a figure eight around the woods for each net check.  We will certainly miss gathering in the heart of the Rushton woods, listening to the solid tree trunks sound again, and walking across the stream to examine Net Seven in the hopes of another Kentucky Warbler,” sighed Natalie Staples.

Rushton Woods.
Rushton Woods.  Photo by Blake Goll.

During the two final MAPS mornings we did not have as many birds, but there were some notable visitors! One of which was our first Red-eyed Vireo, a breeding adult female judging by her brood patch.  A brood patch is basically a bare belly that results after the female plucks out all her belly feathers in order to better regulate the temperature of her eggs.

Red-eyed Vireo. Photo by Blake Goll.
Red-eyed Vireo. Photo by Blake Goll.

We hope this female vireo was only brooding her own young, but often these birds become unknowing hosts to the lazy Brown-headed Cowbird, a nest parasite who deposits her eggs in someone else’s nest to tend to rather than making her own nest.  The world may never know since our Red-eyed Vireo’s nest of twigs, bark strips, grasses, pine needles, and lichen was held together with spider web high up in the canopy of Rushton Woods where no one would ever lay eyes upon it.

Brown-headed Cowbird.  Photo from Cornell Lab of Ornithology.
Brown-headed Cowbird. Photo from Cornell Lab of Ornithology.

The final MAPS banding sessions were full of very cute babies, technically called juveniles, of many species including:

  • Common Yellowthroat
  • Gray Catbird
  • Wood Thrush
  • Veery
  • Northern Flicker
  • Tufted Titmouse
  • Carolina Chickadee
  • Eastern Towhee
  • American Robin
  • Carolina Wren
  • Downy Woodpecker
  • Northern Cardinal
  • Ovenbird
Second Year Woodthrush.  Photo by Blake Goll.
Second Year Woodthrush. Photo by Blake Goll.

Our top two most common babies were the Gray Catbird and Wood Thrush.  This is great because the Wood Thrush is a state responsibility species, meaning that Pennsylvania hosts a substantial percentage, about 8.5%, of the world’s breeding population of wood thrushes.  We can confidently say that Rushton is carrying its weight in the state’s stewardship of this ethereal and declining interior woodland nesting bird.  Read July’s e-bird news for more excellent information on the Wood Thrush, “The Symbol of Declining Forest Songbirds”.

Woodthrush on nest.  Photo by Adrian Binns.
Wood Thrush on nest. Photo by Adrian Binns.

The two biggest highlights of the summer were the Wood Thrush nesting right above our banding table in the woods (what a joy to share your work space with such a normally secretive bird and her growing family) and the famed Kentucky Warbler.  He was so handsome and rare to behold that once in the hand, it had the same googly-eyed, mouth-watering effect on the banders as a king size butterfinger has on a trick-or-treating kid on Halloween night!  Of course, instead of eating this bird we banded it and noted that it was a breeding male by the size of his cloacal protuberance.

Unfortunately, this young male could have merely been intending to breed but never found a female.  We heard him singing and claiming territory and saw his protuberance first-hand but still cannot confidently say that we have breeding Kentucky Warblers in Rushton Woods.  This is an improvement from last year though, when we only faintly heard one ‘KEWA’ singing at one point.  If we continue on this upward trend, maybe next year we will band a female with a brood patch and the year after that, a juvenile Kentucky Warbler, the best evidence of all that the understory of Rushton is healthy enough to support this skulking understory nester.

First Kentucky Warbler banded at Rushton (male).  Photo by Erika Arnold.
First Kentucky Warbler banded at Rushton (male). Photo by Erika Arnold.

As for our MAPS totals in comparison to last summer, we banded 103 new birds and had 72 recaptures this year.  Last year, our numbers were higher with 157 new birds and 87 recaptures.  We cannot say whether this is significant or try to find trends at this point.  “I would say that we completed another successful MAPS season with the highlight of KEWA (Kentucky Warbler).  Multiple data points are needed to describe trends, and we won’t have that for at least two more years.  We were disappointed by the number of birds caught this year, but we understand populations vary from year to year,” explained Doris McGovern, our federally licensed bird bander.

Now as for the cutest baby bird award of this summer, it’s a toss-up!  According to Natalie, it was the Carolina Chickadee. “He was quite adorable and came just in time for the Westtown students to witness his arrival! Chickadees are a fascinating species that challenge the expression, bird brain.   According to the Cornell Lab of Ornithology, Black-capped Chickadees, which the Carolina Chickadee will breed with, allow brain neurons containing old information to die and replace them with new neurons. This act allows them to adapt to their changing environments and seasonal demands, despite the size of their brains,” Natalie found.  Upon further research, she was delighted to find out that, “although female Carolina chickadees will hiss if their nest is disturbed, in general chickadees are easily tamed and can be hand fed!”  I wonder what Natalie will be doing with her spare time now…Training chickadees?

Juvenile Carolina Chickadee.  Photo by Blake Goll.
Juvenile Carolina Chickadee before release. Photo by Blake Goll.

Natalie also really appreciated the Ovenbird’s cute factor.  “One of the most exciting moments in our last morning was when a baby Oven Bird flew into one of our nets!” , she exclaimed.  Oven birds are so called because of their nest that looks like a Dutch oven.  They are ground nesters and are often found hopping on the ground. “I am always struck by the distinctive dark speckles on the underside of the Oven Bird,” Natalie notes.

Juvenile ovenbird.  Photo by Blake Goll.
Juvenile ovenbird. Photo by Blake Goll.

In his meditative poem, “The Oven Bird”, Robert Frost draws our attention to the bird’s memorable song.   The sonnet turns as Frost links seasonal changes with the life cycle and asks, “What to make of a diminished thing”.

The Oven Bird

by Robert Frost

There is a singer everyone has heard,
Loud, a mid-summer and a mid-wood bird,
Who makes the solid tree trunks sound again.
He says that leaves are old and that for flowers
Mid-summer is to spring as one to ten.
He says the early petal-fall is past
When pear and cherry bloom went down in showers
On sunny days a moment overcast;
And comes that other fall we name the fall.
He says the highway dust is over all.
The bird would cease and be as other birds
But that he knows in singing not to sing.
The question that he frames in all but words
Is what to make of a diminished thing.

Click here to read an enlightening All About Birds article from Cornell that echoes Robert Frost’s sense of loss over the lively spring bird chorus and highlights the reasons behind the irony of birds actually being more abundant this time of year than in spring, even though the woods seem so quiet now.

Baby Tufted Titmouse.  Photo by Blake Goll.
Baby Tufted Titmouse. Photo by Blake Goll.

The Ovenbirds might be enchanting and their babies cute, but the baby that won my heart this summer was the plain Tufted Titmouse.  There was something so endearing about the little tufts of feathers sticking out from his head in random places and his little bill that seemed like somebody shrunk it!

Baby Tufted Titmouse.  Photo by Blake Goll.
Baby Tufted Titmouse. Photo by Blake Goll.  Notice his new flight feathers coming in, fleshy “bird lips” and wispy body feathers (juvenal characteristics).

Which baby bird from this summer is your favorite?

Juvenile male Northern Flicker.  Photo by Blake Goll.
Juvenile male Northern Flicker. Photo by Blake Goll.
Juvenile female Northern Cardinal
Juvenile female Northern Cardinal
Adult Veery.  Photo by Blake Goll.
Adult Veery. Photo by Blake Goll.
Juvenile Carolina Wren.
Juvenile Carolina Wren.

Remember from a previous blog post that although it’s fun holding young birds in the hand, MAPS is rigorous science and the best thing a banding station can do for bird conservation. We do this because our data, in addition to data from about 500 MAPS stations sprinkled across the U.S., is crucial to understanding changes in bird populations.  Banding birds creates individuals, which allows us to understand whole populations and see trends.  Keeping track of these bird populations is the only way to detect significant declines and to ultimately guide land management decisions to the benefit of birds using sound scientific data.  When we band young birds, we take care to walk them back to where they were caught to release them in the vicinity of their parents’ care.

Late Summer Nesters

Recently, the Rushton farm staff discovered a bird’s nest on the ground by the greenhouse. Looking at the eggs, we decided it is most likely a Carolina Wren’s nest. The dark rust-colored speckles, a characteristic of Carolina Wrens’ eggs, are particularly striking.  A pair of Carolina Wrens will often build several nests together before deciding upon one.  It’s a joint effort with one wren staying by the nest while the other forages for materials.  Nests around homes have been reported to be found in boots, mailboxes and old coat pockets!  The nest we found could very well be this pair’s third brood of the season.

Carolina Wren eggs next to Greenhouse.  Photo by Natalie Staples.
Carolina Wren eggs next to Greenhouse. Photo by Natalie Staples.

While harvesting last week, the farm staff were surprised to find another late nest among the Striped German tomatoes. They believe it is the nest of a Song Sparrow. It is very well hidden in one of the thicker patches of tomato vines.  These nests are exciting, tangible examples of the success of the mutually beneficial relationship between sustainable agriculture and the local bird population.

Song Sparrow nestlings in tomato plant.  Photo by Fred de Long.
Song Sparrow nestlings in tomato plant. Photo by Fred de Long.

For Fun

  • Participate in GO WILMA (Get Outside Willistown and Malvern), a local outdoor adventure/summer reading program for K-5th graders and their families.  Children receive Captain’s Logs from Malvern or Paoli libraries and then use the clues to search for stars hidden in special places this summer, including our own Rushton and Kirkwood Preserves.  Go to willistownparks.org to find out more and take advantage of this fun program before it ends August 24th!

  • Read “Cerulean Blues: A Personal Search for a Vanishing Songbird” by Katie Fallon.  This is a new book on birders’ radars that wonderfully documents the 2000 mile journey of the elusive Cerulean warbler, the fastest declining warbler species in the U.S., from Appalachia to a coffee plantation in Colombia.

  • Check out Thomas Poulsom’s quest to have LEGO bird kits available for sale, and support the idea with your vote!  Click here to read an article about it.   There you will find links to Tom’s flickr page where you can browse all of his LEGO creations. They are amazing and quite elegant and feature birds in their specific habitats, allowing kids to learn about birds as they build.  It’s enough to turn even adult birders into “LEGO maniacs”!

Enjoy the waning days of summer and look forward to the warblers to come,

~Blake Goll (and Natalie Staples)

I leave you with the poem expertly selected by Cathy and Natalie Staples as inspiration for our Young Birders during the poetry workshop:

The Lake Isle of Innisfree
by W.B. Yeats
I will arise and go now, and go to Innisfree,
And a small cabin build there, of clay and wattles made:
Nine bean-rows will I have there, a hive for the honey-bee;
And live alone in the bee-loud glade.
And I shall have some peace there, for peace comes dropping slow,
Dropping from the veils of the morning to where the cricket sings;
There midnight’s all a glimmer, and noon a purple glow,
And evening full of the linnet’s wings.
I will arise and go now, for always night and day
I hear the lake water lapping with low sounds by the shore;
While I stand on the roadway, or on the pavements grey,
I hear it in the deep heart’s core.

Filed Under: Bird Banding, Bird Events, Owls Tagged With: Bird banding, fall migration, Hawk Mountain, kids poetry, MAPS, PA Young Birders, Red knot

Entertainment for Bird Lovers Tonight!

July 16, 2012 By Communications Team

Red-eyed Vireo.  Photo by Blake Goll
Red-eyed Vireo. Photo by Blake Goll

Don’t miss the rare moment of fame for birds and birders tonight at 9pm as HBO premiers Jeffrey Kimball’s new documentary, “Birders: The Central Park Effect”, an exploration of the birds of Manhatten, the birders (aka bird nerds, dweebs or dorks), and the reasons behind the addictive nature of birding.  Read this article to find out more.

Also, as a follow up to our last blog post, “Purple Martin Majesty”,  here is our very own documentary about Purple Martin Banding by Adrian Binns, Senior Tour Leader for Wildside Nature Tours. We band Purple Martins to contribute to population and migration data, which ultimately helps conserve this special, human-dependent species.  Of course, none of the birds were harmed in the making of this documentary, and the small lightweight bands do not decrease the survival of the chicks.  Please visit a previous blog post, “Bird Banding Proven to be Safe for the Birds”, for more information about banding safety.

Banded Purple Martin adult feeding butterfly to young.
Banded Purple Martin adult feeding butterfly to young.

And last but not least, if you have not checked out the Cornell Lab of Ornithology’s Heron Cam, you MUST!  It’s a beautifully edited video that delicately and intimately documents the secret family lives of Great Blue Herons, focusing on a successful family from this spring in Sapsucker Woods.

Enjoy the birds!

~Blake

Green Heron at Powdermill Avian Research Center.  Photo by Blake Goll.
Green Heron at Powdermill Avian Research Center. Photo by Blake Goll.

Filed Under: Bird Banding, Bird Events Tagged With: birding, Heron Cam, Purple Martin banding, The Central Park Effect

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