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Songbird Banding Station Annual Open House Tomorrow + A Foreign Passerine & Rushton in the Press!

September 18, 2015 By Communications Team

Adult male American Redstart banded at Rushton this September. Photo by Blake Goll
Adult male American Redstart banded at Rushton this September. Photo by Blake Goll
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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.

Young male Northern Flicker with 3 new primary flight feathers.
Young male Northern Flicker with 3 new primary flight feathers.  See the bright yellow shafts?

Fall songbird banding  is well underway, and the season is off to a spectacular start.  We’ve had a couple 80-bird days, largely composed of gregarious Gray Catbirds with a smattering of thrushes, sparrows and wood warblers mixed into the palette.  Some of our handsome migrants are pictured below:

Black-and-white Warbler banded at Rushton this September
Black-and-white Warbler banded at Rushton this September.

Young Wood Thrush banded at Rushton this September
Young Wood Thrush banded at Rushton this September.

Worm-eating Warbler banded at Rushton this September
Worm-eating Warbler banded at Rushton this September. Photo by Blake Goll

Adult female Connecticut Warbler banded at Rushton this September
Adult female Connecticut Warbler banded at Rushton this September.

Adult female Canada Warbler banded at Rushton this September. Photo by Blake Goll
Adult female Canada Warbler banded at Rushton this September. Photo by Blake Goll

Hatching year male Indigo Bunting banded at Rushton this September. Photo by Blake Goll
Hatching year male Indigo Bunting banded at Rushton this September. Photo by Blake Goll

Young female Chestnut-sided Warbler banded at Rushton this September
Young female Chestnut-sided Warbler banded at Rushton this September.

Young Field Sparrow banded at Rushton this September.
Young Field Sparrow banded at Rushton this September.  Photo by Blake Goll

The highlight so far this fall was our first foreign banded songbird (or passerine) in 6 years: an adult female American Redstart!  According to banding records from the Bird Banding Lab, she was originally banded in South Carolina last year on August 24th as a young bird hatched that year.  That August, this redstart may have been getting a headstart on her first epic voyage to her wintering grounds in Central or South America.  Alternatively, she could have hatched in South Carolina.  Either way, she must have spent her first breeding season this year in Pennsylvania or points north.  If she does indeed hail from South Carolina, she must have decided she didn’t want to be a southerner this year!  As a neo-tropical migrant not bound to the earth, she has the liberty of these kinds of choices.

Adult female American Redstart
Adult female American Redstart banded at Rushton this September

Hatching year female American Redstart
Hatching year female American Redstart

Even though information-rich foreign recaptures like these are rare, bird banding is important for understanding bird populations and how they change from year to year. Click here to learn more about the importance of our bird banding efforts in our spread in County Lines Magazine: “Meet The Birds of Rushton; Live the Banded Life”.

Bring a friend or the family and stop by the bird banding station at Rushton Farm tomorrow, September 19, anytime between the operating hours of 6 am and 11am to observe the fascinating science of bird banding and see gorgeous migrant birds up close.  These lovely creatures depend on ecologically healthy places like Rushton to fuel up and rest on their arduous journeys south.

We’re also open to the public every Tuesday and Thursday until the first week of November.  Nets are open from 6am-11am when it’s not raining.  Early bird gets the worm.

There’s a lot going on in the woods,

Blake

Female Black-throated Blue warbler. Photo by Dustin Welch
Female Black-throated Blue warbler. Photo by Dustin Welch

Filed Under: Bird Banding, Bird Conservation, Bird Events Tagged With: American Redstart, Bird banding, Connecticut Warbler, fall migration

The Spirit of Autumn

October 16, 2014 By Communications Team

 

Black-throated Green warbler.  Photo by Dustin Welch.
Black-throated Green Warbler and birch catkins. Photo by Dustin Welch.

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It is a beautiful crisp October day, with the changing leaves standing out in stark contrast against the somber, gray sky.  As I stand in the driveway of the picturesque office of Willistown Conservation Trust, I am enchanted by the feathered feeding frenzy!  The trees are alive with rustling leaves that magically morph into bustling birds, flitting here and there to the rhythm of the Autumn spirit.  Two Blackpoll Warblers wizz by my head in an animated chase, enlivened by the crisp air in this moment and forgetting about the many more miles they have to go before their winter sojourn in the tropics.

Blackpoll warbler.  Photo by Blake Goll.
Blackpoll Warbler banded at Rushton this October. Photo by Blake Goll.

Many more warblers dance around in the upper reaches of the maple and hickory trees.  The commotion of these strangers in the neighborhood stirs up the curious residents- the chickadees and titmice- who join the feeding flock. Perhaps the migrant flock found the resident chickadees and titmice first since these are the ones to trust when it comes to knowing where the best food sources are and where the predators are.  Migrant flocks of birds are quite cunning like that.  They must be. Their lives depend on it.
Tap. Tap. Tap tap-tap tap. Tap.  My ears lead my eager eyes to a medium-sized woodpecker skirting its way up a dead tree trunk.  The October shadows obscure the bird’s coloring from my view.  Could it be a Yellow-bellied Sapsucker!?  There have been many reports of these handsome migrants in the area!
Young male American Goldfinch at Rushton this October.  Photo by Blake Goll.
Young male American Goldfinch at Rushton this October. Photo by Blake Goll.

Now my eyes are drawn to the Rudbeckia triloba (or Brown-eyed Susan) in the front bed of the office.  Several flowers are nodding toward the earth and others bouncing up and down wildly under the weight of wild canaries!  These are the resident goldfinches with their young of the year, voraciously harvesting the seeds of this wonderful native plant.  I look up to my right where I see more movement in the willowy River birch from which a feeder hangs.  More goldfinches are pecking at the birch catkins to extract nutritious seeds even as the bird feeder sways enticingly beneath them, filled with hulled sunflower seeds.  You just can’t beat the opulent menu that nature offers for birds this time of year!
Rudbeckia triloba at WCT headquarters
Rudbeckia triloba at WCT headquarters

Looking out across the Trust’s native wildflower meadow, I see more old seed heads from the retired perennials bobbing up and down and small figures swooping around the golden grasses and diving in amongst the gray and amber stalks.  I don’t grab my binoculars because I want to experience the whole of this pulse, rather than pick out the individual birds in this moment.  I know there are mixed warblers, sparrows and more goldfinches out there in the meadow, and I am content to be wrapped up in the spirit of Autumn with child-like glee.
Common Yellowthroat. Photo by Mike Rosengarten
Common Yellowthroat. Photo by Mike Rosengarten.

And I think to myself, what a wonderful landscape for these deserving creatures to relish.  Our meadow will be mowed in early spring to keep the woody growth and invasive plants at bay, but for now its unmowed glory is a paradise providing shelter, seeds, insects and berries for countless small animals and birds.  The insects themselves can find solace here; who knows how many praying mantis egg cases, underground bee burrows and silken cocoons are hidden safely amongst the leaf litter, ready to emerge in the new year and pass on their small but significant life force.
Hickory Tussock Moth Caterpillar on Witch Hazel.  Photo by Mike Rosengarten
Hickory Tussock Moth caterpillar on Witch Hazel. Photo by Mike Rosengarten

As I’m again enjoying the goldfinches feasting in the birch, a lovely Hermit Thrush silently enters the scene like an apparition and perches gracefully on a branch, gently and diagnostically bobbing its fox-red tail up and down to that same infectious pulse that seems to be rippling through this large flock of migrants – and now my heart.
This is the excitement that can come of a typical cloudy October day, when one simply tunes into the cycles of nature.  Someone once told me,”never despise the day of ordinary things.”  I say, when you invite birds and nature into your daily routine, the ordinary day becomes rare.
Hermit Thrush.  Photo by Mike Rosengarten
Hermit Thrush. Photo by Mike Rosengarten.

All of us banders at the Rushton banding station know this to be true.  This fall season has been an exciting one with great species diversity (20 species one day!) and satisfactory numbers of migrants.  The most we had in one day were 83 birds back in September when the Gray Catbirds were still going strong.
Now the catbird flow has tapered off, and the sparrows have entered the stage in full force including Lincoln’s, Swamp, Song, White-throated and even a Savannah!  Field sparrows passed through earlier this fall.
The stream of warblers has also been slowing down, although last week we did catch a Magnolia Warbler, Black-and-white Warbler , Blackpoll Warbler and the usual Common Yellowthroats.  This week’s warblers included Black-throated Blue, Magnolia, American Redstart and first of the season Yellow-rumped (Myrtle).
Wood thrushes have all passed through and have been replaced by Swainson’s Thrush, a few Gray-cheeked Thrush and tons of American Robins.  We are expecting Hermit Thrushes, oodles of kinglets and loads more White-throated Sparrows to hop into our nets soon, followed by juncos and a Fox Sparrow or two to round out the season.
Noteworthy flyovers have included two regal Bald Eagles and a very mysterious Common Raven flying Southwest as it issued its guttural croaking call.  Blue- headed Vireos serenaded us with their slow, playful song from the tops of the trees today.  In the predawn, Bobolinks were heard over the farm on September 30th and an American Woodcock was heard one morning in mid-October.  The Great Horned Owl sang to us many mornings during net setup.
People visitors, eager to see and learn about these migrating wonders, have been flocking to the banding station as usual.   Visitors included the Birding Club of Delaware County, representatives from the Academy of Natural Sciences, businesses, Junior Birders, elementary school students and Universities like Villanova and UPenn.  We even have a UPenn student analyzing stopover ecology data this season.  This pertains to the timing and rate of weight gain in migrants during their stay at Rushton before continuing their migratory journeys.  This type of data is revealed by same-season recaptures of birds.
Enjoy the following photo journal of the season highlights so far.  Pretend you are birding!  Hope to see you out there at Rushton (Tuesday and Thursday mornings through the end of October).
There’s a lot going on in the woods,
Blake
Eastern Screech Owl caught during the first week of migration banding in August.
Resident Eastern Screech Owl caught during the first week of migration banding in August.

Eastern Screech Owl caught during the first week of migration banding in August
Resident Eastern Screech Owl caught during the first week of migration banding in August.

Hatching year Chestnut-sided Warbler at Rushton at the end of August.
Hatching year Chestnut-sided Warbler at Rushton at the end of August.

Hatching year male Indigo Bunting at Rushton end of August.  You can see some feathers coming in on his wing.
Hatching year male Indigo Bunting at Rushton end of August. You can see some feathers growing in on his wing (if you click on the picture to enlarge it).

Yellow-bellied Flycatcher in August at Rushton
Worm-eating Warbler in August at Rushton.

Yellow-bellied flycatcher in August at Rushton
Yellow-bellied Flycatcher in August at Rushton.

Black-throated Blue Warbler (a hatch year male) in September Photo by Jessica Shahan
Black-throated Blue Warbler (a hatch year male) at Rushton in September. Photo by Jessica Shahan.

Cedar Waxwing (Hatch year female).  Photo by Jessica Shahan
Cedar Waxwing (hatch year female) at Rushton in September. Photo by Jessica Shahan

Red-eyed Vireo with bulging fat (the orange color).  Birds must carry fat in order to migrate.  A fat bird is a more successful bird!
Red-eyed Vireo with bulging fat (the orange color). Birds must carry fat in order to migrate, and it’s one important piece of data we collect. A fat bird is a more successful bird!

Canada Warbler in September at Rushton
Canada Warbler in September at Rushton.

Nashville Warbler at Rushton in September
Nashville Warbler at Rushton in September.

Ovenbird at Rushton in September.  Photo by Jessica Shahan
Ovenbird at Rushton in September. Photo by Jessica Shahan

Young male Connecticut Warbler at Rushton in September. Photo by Gary Stolz
Young male Connecticut Warbler at Rushton in September. Photo by Gary Stolz

Young female Black-throated Green Warbler at Rushton in September for the Junior Birding Open House
Young female Black-throated Green Warbler at Rushton in September for the Junior Birding Open House.

Eager Junior Birders and families crowded around the banding table at Rushton in September during the Open House
Eager Junior Birders and families crowded around the banding table at Rushton in September during the Open House.

Gray Catbird at Rushton in September.  Notice the noticeably browner feathers on the wings compared the the grayer ones next door?  The brown feathers are juvenal and the gray ones are adult, so we know this bird was hatched this year.
Gray Catbird at Rushton in September. Notice the noticeably browner feathers on the front of the wings compared to the grayer ones further back? The brown feathers are juvenal and the gray ones are adult, so we know this bird was hatched this year.  This contrast in ages of feathers is what we call a molt limit.  This is one way to age birds in the hand (and in the field).

 
Male American Redstart at Rushton in September
Male American Redstart at Rushton in September.

Adult female Eastern Towhee at Rushton this October
Adult female Eastern Towhee at Rushton this October.

Lincoln's Sparrow at Rushton in September
Lincoln’s Sparrow at Rushton in September.

Hatching year female Purple Finch at Rushton in September.  A molty mess!
Hatching year Purple Finch at Rushton in September. A molty mess!

Male Northern Cardinal at Rushton in October.  Notice his flight feathers in molt!
Male Northern Cardinal at Rushton in October. Notice his flight feathers in molt!

Eastern Phoebe at Rushton in October.  Photo by Blake Goll
Eastern Phoebe at Rushton in October. Photo by Blake Goll

Measuring wing of Red-eyed Vireo in October at Rushton
Measuring wing of Red-eyed Vireo in October at Rushton.

Boy releasing Carolina Chickadee in who doesn't quite realize she's free yet!
Boy releasing Carolina Chickadee who doesn’t quite realize she’s free yet!

Comparing the wings of two Red-bellied Woodpeckers in October at Rushton.  The one on the left is an "After Second Year" bird with much darker primary coverts than the one of the right (a hatching year bird).
Comparing the wings of two Red-bellied Woodpeckers in October at Rushton. The one on the left is an “After Second Year” bird with much darker primary coverts than the one of the right (a hatching year bird).

Bill deformity in Gray Catbird at Rushton in October
Bill deformity in Gray Catbird at Rushton in October.  Photo by Blake Goll

Young student releasing a Black-throated Blue Warbler at Rushton in October
Young student releasing a Black-throated Blue Warbler at Rushton in October.

Male Sharp-shinned Hawk at Rushton in October
Male Sharp-shinned Hawk at Rushton in October.

Hatching year female Northern Flicker at Rushton in October
Hatching year female Northern Flicker at Rushton in October.

Yellow Palm Warbler at Rushton in October
Yellow Palm Warbler at Rushton in October.  Excuse us for not preening that one nape feather back into place!

Male Black-and white Warbler at Rushton in October
Male Black-and white Warbler at Rushton in October.  Photo by Blake Goll

Gentleman with Gray Catbird before release at Rushton.
Gentleman with Gray Catbird before release at Rushton.

House Finch (male) at Rushton in October
House Finch (male) at Rushton in October.  Photo by Blake Goll

Carolina Wren at Rushton in October
Carolina Wren at Rushton in October.  Photo by Blake Goll

Savannah Sparrow at Rushton in October.  Photo by Blake Goll
Savannah Sparrow at Rushton in October. Photo by Blake Goll

Young female Wilson's Warbler at Rushton in October.  Photo by Blake Goll
Young female Wilson’s Warbler at Rushton in October. Photo by Blake Goll

 
 

Filed Under: Bird Banding Tagged With: Bird banding, fall migration, Goldfinch, habitat, native wildflower meadow, stopover ecology

Songbird Banding Open House Tomorrow Morning!

September 20, 2013 By Communications Team

Red -eyed Vireo.  Photo by Bracken Brown
A migratory Red -eyed Vireo banded at Rushton this August. Photo by Bracken Brown

In case the little birdie hasn’t told you yet…

Rushton Banding station will be open to visitors and families of all ages tomorrow, 9/21, from 7-11 am!!

Don’t miss this grand opportunity to see beautiful migrating songbirds up-close as we carefully band them to contribute to bird conservation.  Migration is in full swing, and we’ve been catching a fantastic variety of wonderful warblers (including our first ever Black-throated Green Warbler), flycatchers, thrushes and familiar residents like the sweet little Carolina Chickadee picture below.

Carolina Chickadee banded at Rushton this September.  Photo by Jodi Spragins.
Carolina Chickadee banded at Rushton this September. Photo by Jodi Spragins.
Black-throated Green Warbler.  Photo by Dustin Welch.
Black-throated Green Warbler. Photo by Dustin Welch.

Oh and did I mention Gray Catbirds!?  We never run out of these omnipresent birds…until the White-throated Sparrows arrive in October.

A young Gray Catbird growing in new flight feathers and coverts before beginning its journey south.  Photo by Bracken Brown
A young Gray Catbird growing in new flight feathers and coverts before beginning its journey south. Photo by Bracken Brown

Stop on by the station tomorrow to learn about the fascinating science of bird banding while witnessing feathered neighbors like never before!

You just never know what a fall morning at Rushton may bring…

Doris McGovern, federally licensed bird bander,  taking a bird out of the bag to be banded as a child watches with anticipation.
Doris McGovern, federally licensed bird bander, taking a bird out of the bag to be banded as a child watches with anticipation.

Plus, Rushton Farm is breathtaking right now with the goldenrod in full bloom and looks like this…

Rushton Farm cloaked in fields of gold.  Photo by Kelsey Lingle
Rushton Farm cloaked in fields of gold. Photo by Kelsey Lingle

See you in the woods tomorrow!

Blake

P.S.  For all you hard-core birders out there looking to get that rare, elusive, skulking Connecticut Warbler on your life-list, we have caught 6 so far this fall at Rushton!  Not too shabby.

Connecticut Warbler.  Photo by Dustin Welch.
Connecticut Warbler. Photo by Dustin Welch.

 

 

Filed Under: Bird Banding, Bird Events Tagged With: Bird banding, Connecticut Warbler, fall migration, Rushton Farm

Rushton Bird Banding Station is Officially Open For “Birdness”

September 12, 2013 By Communications Team

Goldfinch on echinacea at Penn State Arboretum's pollinator garden.  Photo by Anita Colyer Graham
Goldfinch on echinacea at Penn State Arboretum’s pollinator garden. Photo by Anita Colyer Graham
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Even the late nesting American Goldfinches are finished, which means fall migration is here and a flurry of all types of feathers are moving south through our area, especially tonight!!! With these severe storms bearing down on us and the winds changing from southerly to northerly overnight, conditions are ripe for fallouts in our region!  This is every birder’s dream and means that large mixed flocks of migratory birds will be traveling overnight and looking for places to rest before sunrise.  Places like Rushton Woods Preserve could be teeming with warblers and other beautiful migrants tomorrow morning.   Check out this amazing regional Bird Forecast that the Cornell Lab of Ornithology updates weekly.  Notice that we are clearly in the potential fallout zone for tomorrow.

Even last night was a great flight , much heavier than predicated, given the southerly winds and sticky conditions.  Check out this incredible footage of thousands of migrants, mostly warblers, that were temporarily trapped in the light beam in New York City for the 9-11 memorial last night.  Luckily, collision crises were avoided by changing the direction of the lights when the “living snowflakes” were observed by volunteers as venturing dangerously close to buildings.

Young Chestnut-sided Warbler. Photo by Jesse Estlow
Young Chestnut-sided Warbler. Photo by Jesse Estlow

In light of this great movement of birds we are seeing, we will open the banding station tomorrow , 9/13.  Come on out if you can before work or call in sick for the morning (I won’t tell anyone!).

We open our mist nets at 6am and close them at about 11am.  Visit us at Rushton Woods Preserve and Farm anytime within those hours!  Our normal days of operation are Tuesdays and Thursdays from now until the migration stops in early November.   Visitors are always welcome.  Please contact Lisa Kiziuk  (lkr@wctrust.org) or myself Blake Goll (bhg@wctrust.org) for more information or to reserve a day for your school group or other large group.

Stay tuned to the blog for updates throughout this fall and more photos of our beautiful migrants.

There’s a lot going on in the woods,

Blake

P.S.  The Mid-Atlantic Young Birder Conference is this Saturday at the lovely Ashland Nature Center in Hockessin, DE!  Coordinated by the American Birding Association, the day will be full of memorable birding experiences, educational talks from experts and comaraderie among fellow Young Birders of all experience levels.  Click here for more information and to register (just $25)!

Filed Under: Bird Banding Tagged With: Bird banding, fall migration

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

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