WILLISTOWN CONSERVATION TRUST

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  • Rushton Conservation Center

Resolve to Be a Better Human for Birds (i.e., Earth)

January 10, 2020 By Blake Goll

Gray-cheeked Thrush banded at Rushton in October 2018. Photo by Blake Goll. This is one of our longest distance migrants, breeding in spruce forests of northern Canada and Alaska.

This fall, world scientists (11,000 of them to be exact) made a clear and unequivocal declaration in BioScience Magazine that planet Earth is in a climate emergency. The climate crisis is closely linked to excessive consumption of the wealthy lifestyle, and climate tipping points are arriving faster than anticipated. Major change is needed at all levels of society, and “help planet Earth” might be the most important New Year’s resolution to add to your list.

This sounds like a lofty task that could induce Ostrich Syndrome of sticking our heads hopelessly into the sand. Especially since this warning follows the article in Science declaring that we have lost 30% of our birds in the past 50 years. Do not despair: there are many personal changes we can all make in our daily lives, and by focusing on birds we can make the overall problem seem more manageable and the solution more tangible. When we help birds, we help the world.

Following represents a list of ideas to consider, realizing we cannot be perfect. But we can certainly be better.

Reduce Carbon Emissions

While most of us cannot directly reduce subsidies to fossil fuel corporations as the Alliance of World Scientists suggests, we can reduce our carbon emissions personally. Planning a vacation for 2020? Try exploring a place closer to home rather than one that requires global air travel. Buying a new car? Choose brands with low emissions or electric if you can afford it. Look into changing your home energy supplier to renewable energy.

Common Yellowthroat last April at Rushton. Photo by Celeste Sheehan. It was determined to be at least 9 years old (originally banded by us in 2012)! This species is less common in drier areas and suffers from loss of its natural habitat.

Studies show that climate change is playing a role in bird declines. As the planet warms, bird ranges are shifting north often into less ideal habitats. Some neotropical migrant species in particular have been hit hard because their day length-derived arrival dates are now out of snyc with temperature-derived North American insect pulses.

Check out the official climate emergency warning.

A native wildflower meadow at Willistown Conservation Trust’s headquarters on Providence Road, Newtown Square. Photo by Blake Goll

Plant a Native Wildflower Garden

With lawns covering over 40 million acres of the U.S., it is paramount that we begin to see these lawns as places where conservation can happen. Devoting part of your manicured lawn to a natural meadow habitat with native grasses and flowers can greatly increase diversity of insects and birds, eliminate the need for pesticides, and reduce the need for watering (most native plants once established can mine groundwater). These native wildflower gardens only require mowing once a year in early spring, thus decreasing carbon emissions associated with repetitive mowing.

Carolina Chickadee banded at Rushton last spring. Photo by Celeste Sheehan

Doug Tallamy, author of Bringing Nature Home, proved that chickadees in a suburban neighborhood of mostly lawn and non-native trees and shrubs actually experienced diminished breeding success. Most of the nutrient-rich caterpillars they need to feed their young are located on native plants; Tallamy’s lab suggests that even an imperfect mix of 70% native plants and 30% non-native is enough to bolster healthy populations of breeding birds in our neighborhoods.

Visit the Native Plant Finder to learn which butterflies and moths are supported by different native plant host species in your area.

White M Hairstreak, a rare butterfly found at the Willistown Conservation Trust’s native wildflower meadow in July. Photo by Celeste Sheehan

Support Healthy Food Systems

Reducing the global consumption of animal products, especially large livestock, can significantly lower greenhouse gas emissions. Enormous expanses of natural ecosystems are used for growing livestock feed. Eating a plant-based diet not only improves human health but it also frees up cropland for growing human plant food as well as for restoring natural habitats for birds, wildlife, and ecosystem services (e.g., carbon sequestration).

You can also support small farms like Rushton Farm that employ regenerative agriculture. More than simply organic, regenerative agriculture is a conservation and rehabilitation approach to farming and food systems. It’s partnering with nature to regenerate soil with smart crop rotation, increase biodiversity with habitat borders, improve watersheds by eliminating chemical inputs, and enhance ecosystem services like pollination by native bees. Basically, it’s the way farming was done prior to agricultural intensification.

American Goldfinch at Rushton Farm in October. Photo by Celeste Sheehan. Goldfinches are one of the many species that benefit from the habitat created by regenerative farming. We banded a record of 119 goldfinches this fall!

Agricultural intensification has been linked to the worrisome 50% decline in American grassland bird populations since 1970. Worldwide, this sect of birds is dramatically declining in part because of farmland habitat degradation but also because of controversial insecticides previously thought to only affect bees.

A recent study on wild White-crowned Sparrows used Motus tracking technology to understand the detrimental appetite-suppressing effects of these neonicotinoids on migratory birds. Read more about the fascinating study: Insecticides Shown to Threaten Survival of Wild Birds.

White-crowned Sparrow banded at Rushton November 2018. Photo by Blake Goll

Buy Shade Grown Coffee

Coffee traditionally grows in harmony with nature in the understory of tropical forests. This means that it is an agricultural product that can actually support a diversity of habitat structure that is perfect for migratory birds that overwinter in the tropics like our beloved Wood Thrush and Baltimore Orioles.

Wood Thrush banded at Rushton in May. Photo by Blake Goll. For every ten Wood Thrushes, six have been lost since 1970.
Baltimore Oriole banded at Rushton last May. Photo by Celeste Sheehan

Unfortunately, much like the rest of modern agriculture, we have found a way to intensify this crop’s production by clear-cutting forests and growing it in the sun. Full-sun coffee farms make up over 76% of the total coffee cultivation area.

You can support family owned coffee farms that are doing it responsibly and preserving forests by looking for the Bird Friendly certification, a science-based certification that is run by the Smithsonian Migratory Bird Center of the Smithsonian Institution. Bird Friendly requires farmers to plant a diversity of trees, prioritizing native ones that have the highest value (in insects) to birds.

Read more about the intricacies of the relationship between birds, coffee, and global warming: Newfoodeconomy.org.

And then order some Bird Friendly coffee from our friends at Golden Valley Farms Coffee Roasters in West Chester, PA!

Switch to Sustainable Toilet Paper

The boreal forest of Canada has been dramatically affected by America’s love of luxury toilet paper brands that use virgin pulp. The boreal forest covers 60% of Canada, absorbs significant amounts of carbon dioxide from the atmosphere, and has been called the Songbird Nursery of North America as 3 billion birds of over 300 species flock there for breeding each year. An area the size of Pennsylvania has already been wiped out of this majestic forest.

Magnolia Warbler banded at Rushton in May. Photo by Blake Goll. Primarily an insect eater, this warbler migrates from the tropics to the boreal forest to breed.
Northern Saw-whet Owl being banded at Rushton last fall. Photo by Celeste Sheehan. This is another species that depends on the boreal forest.

There are many toilet paper brands that now use recycled paper and even bamboo, which is still far more sustainable than pulp from trees (and a little softer than recycled paper for those transitioning from pillow soft virgin paper). Who Gives a Crap and Seventh Generation are popular brands to try out.

Keep Cats Indoors

Hundreds of millions of birds die each year from window collisions, but there is another human-induced threat that is even more sinister: cats. American Bird Conservancy states that cats kill approximately 2.4 billion birds each year in the U.S. alone, making them the number one human-caused threat to birds (next to habitat loss). We need those 2.4 billion birds, now more than ever, to help keep insect populations in check, which keeps forests healthy and mitigates global warming.

Cat-killed House Finch found in September. Photo by Blake Goll

When allowed to roam outside in natural areas, cats are an alien invasive species that wreak havoc on bird populations that are already stressed due to habitat loss and climate change. When kept inside, cats are loving pets that live longer, healthier lives.

Looking for some interesting reading for 2020? Check out Cat Wars, by Pete Marra, which traces the historical ties between humans and cats and tackles this complex global problem.

Field Sparrow being released after banding last April. Photo by Blake Goll

Engage in Political Activism

According to Audubon science, two-thirds of all North American bird species are at risk of extinction without immediate conservation action. Bird conservation legislation can help prevent unnecessary bird mortality. Industry, for example, plays a significant role in bird deaths: annually, tens of millions of birds collide fatally with power lines and communication towers, 500,000 birds mistake open oil waste pits for lakes, and over 1 million birds perish from accidents like the 2010 Deepwater Horizon oil spill.

The current administration has weakened important, long-standing legislation like the Migratory Bird Treaty Act, which held industry responsible for minimizing bird mortality (e.g., keeping covers over oil waste pits). Fortunately, a bi-partisan bill has just been introduced: the Migratory Bird Protection Act (MBPA). This bill will essentially revoke the free pass to incidental bird killing and create a permitting system for businesses to reduce preventable bird mortality.

Your voice can make a difference. Urge your representatives to co-sponsor this important bill on American Bird Conservancy’s action page.

American Goldfinch banded at Rushton last April. Photo by Blake Goll

Preclude the Canary’s Swan Song

Birds, long revered as the canary in the coal mine, are chiding us to make some big changes this year. We must work together as fellow inhabitants of this incredible planet to preserve its beauty. There are simply too many of us now for anyone to luxuriate in blissful naivete. The scientists have spoken. The canaries have sung.

Let’s be better humans this year, so that we may never hear the swan song of our canary.

There’s a lot going on in the woods,

Blake

Mute Swan. Photo by Blake Goll

Filed Under: Bird Banding, Bird Conservation, Conservation Tagged With: bird decline, climate change, climate emergency, food systems, Native Plants, new years resolution, regenerative farming, sustainability

Our 1000th Bird – A Look at the Numbers

October 25, 2019 By Bird Conservation Team

At Rushton we do as the birds do and follow their seasons. Each season is unique in its own way, so when we look at the data, we look at each season independently. 

This fall we seem to be catching more birds than we have in the past. This does not contradict the recent reports of bird declines, it simply shows that during this small window of bird migration, over the short time span of 10 years, this is the most we have captured. It’s too soon to know why there are more birds this year; maybe the habitat is just right this year.  We changed the habitat slightly by increasing the shrub scrub due to a slightly altered mowing regime. We have also been able to band a little more this fall than in previous years, due to favorable weather. It could also be that we happen to be catching good migration weather, the best winds and on the right days. We have a set schedule of banding the same three days each week, but the birds travel when the weather is right, no matter what day!

A summary of 9 years of fall migration banding at Rushton:

We typically band from the last week in August until the first week in November, three days a week when conditions allow.

This year on October 10th we caught and banded our 1000th bird (a Black-throated Blue Warbler), at about halfway through the season, already surpassing our average total over the last nine years. Noting this great year, we hope this can become a tradition!

Our lowest year is likely due to fewer hours spent catching birds, more fairly, our lowest catch has been 893 birds and our highest in the last nine years was 1082 birds in 2013.

Looking forward, our winter residents and second most common bird of the fall season, the White-throated Sparrow, has yet to arrive, along with our tiniest fall migrant, the Ruby-crowned Kinglet, which combined, average another 200-300 birds, we can only begin to speculate how many birds we will total by November!

Table 1. Number of birds captured per year during fall migration.

Filed Under: Bird Banding, Bird Conservation, Bird ecology, migration

Community Supported Avifauna

October 22, 2019 By Blake Goll

Volunteer, Kelly Johnson, in awe of a Blue Jay banded October 10th. Photo by Blake Goll

Rushton Woods Preserve is a place where people gather in celebration of abundance. Community Supported Agriculture (CSA) members gather for their share of the soil’s bounty each week, and myriad groups from the community, schools, and universities gather at the songbird banding station to witness the bounty of the sky. Much like the agricultural harvest, our bird catch follows seasonal patterns that can help a visitor (or bird bander) develop a deep connection to the rhythm set forth by Earth’s 23.5 degree tilt.

View of Rushton Farm in Fall from Fred’s wagon. Photo by Blake Goll

As this was my first year participating in the Rushton Farm CSA, I noticed some interesting correlations between the harvest and the catch. My favorite crisp spring vegetables like kale, radishes, turnips, broccoli, leeks, and little gem lettuces have all made an encore appearance now that the cool fall weather is here. These I liken to our butterflies of the bird world, the “special” warblers, that we can only expect to see during spring and fall migration: Black-throated Blue Warblers, Chestnut-sided Warblers, Magnolia Warblers, Northern Parulas, Black-and-white Warblers, and American Redstarts.

  • American Redstart banded in September. Photo by Blake Goll
  • Black-and-white Warbler banded in October. Photo by Celeste Sheehan
  • Male Chestnut-sided Warbler banded in September. Photo by Blake Goll
  • Northern Parula banded in September. Photo by Jim Moffett
  • Black-throated Blue Warbler banded in September. Photo by Jim Moffett

Throughout the summer, I was overwhelmed with tomatoes and zucchini. These prolific crops mirror our common birds that breed at Rushton all summer long like Gray Catbirds and Common Yellowthroats. Catbirds are a bander’s tomatoes making up the bulk of our catch August through September; they even ironically dwindled in numbers at about the same time as the tomato harvest finally ended a couple of weeks ago. And just like the tomatoes, we miss them when they’re gone.

Rushton Nature Keeper releasing a banded Gray Catbird October 10th. Photo by Blake Goll

Now CSA members are enjoying the hardy winter produce like squash and sweet potatoes, while our avifauna has shifted to tough winter birds from the north like White-throated Sparrows, kinglets, and Hermit Thrush.

  • First White-throated Sparrow of the season (10/1) Photo by Celeste Sheehan
  • Golden-crowned Kinglet Oct 16th. Photo by Celeste Sheehan

Recent highlights include a young male Rose-breasted Grosbeak on October 10th, our third Yellow-breasted Chat on October 1st (thanks to our new reduced mowing regime), a couple of young female Sharp-shinned Hawks in September, and a young male Scarlet Tanager on September 23rd.

  • Rose-breasted Grosbeak banded October 10th. Photo by Blake Goll
  • Yellow-breasted Chat (third of the season!) banded October 1. Photo by Jim Moffett.
Young female Sharp-shinned Hawk banded September 17. Photo by Jessica Shahan.
Young male Scarlet Tanager banded September 23. Photo by Blake Goll

Black-throated Blue Warbler numbers are back up this year from our previous year’s alarming slump. One little female got our silverware on October 1st and decadently dined for five days, increasing her body weight by 22%. A handsome male Black-throated Blue checked in on October 10th as our one-thousandth bird of the season, making this fall our most productive yet by almost double our past records.

Our 1,000th bird banded of the season on October 10th: a Black-throated Blue Warbler. Photo by Jodi Spragins

This local boom may seem peculiar in the wake of the recent article in Science, citing the devastating loss of 3 billion birds in the past 50 years as a result of habitat loss, pesticides, climate change, and other human threats. However, the majority of our birds are hatch year birds that have yet to complete the most perilous journey of their lives: their first migration in the Anthropocene. Thank goodness we can offer them temporary sanctuary within a community of people who care about open space and the abundance it supports.

There’s a lot going on in the woods,

Blake

The Rushton banding crew with No.1,000 (a Black-throated Blue Warbler). Photo by Jodi Spragins

Filed Under: Bird Banding, Bird Conservation, Farm Tagged With: Bird banding, Black-throated Blue warbler, Community supported agriculture, CSA, fall migration, Scarlet Tanager, Sustainable Agriculture

Shocking Report Illustrates the Importance of Land Protection

September 20, 2019 By Bonnie Van Alen

Yesterday an alarming study in the journal Science was released, which detailed the dramatic and shocking decline of birds in North America. Three billion birds have been lost in the last 50 years. This staggering drop includes not only threatened species, but also common ones like Eastern Meadowlark, Wood Thrush, Barn Swallow, Blue Jay and even Baltimore Oriole (like the one pictured here, banded this year at Rushton Woods Preserve).

For every 10 Baltimore Orioles in 1970,
4 have been lost since.

Meadowlarks rely on healthy grasslands for habitat, which have been disappearing as human development and agriculture spreads across the land. Making matters worse without those grasslands, which are also needed to filter stormwater runoff, waterways that birds also rely on are being contaminated.

For 40 years, Willistown Conservation Trust has been permanently protecting land to advance conservation, including the preservation of vital habitat. Our Bird Conservation Program has been using this land to help study birds and promote their protection, operating a banding station, studying their health. Most recently, the Bird Conservation Program and their partners have been among the leaders  in expanding the Motus Wildlife Tracking System throughout the Mid-Atlantic and the Northeast United States. The Willistown Area has even been designated an Important Bird Area by the National Audubon Society because of its habitat and biodiversity.

We will continue our fight to protect land and habitat that birds need to survive. And despite the frightening report, there are some things you can do to help. Here are a few simple actions you can take:

  • Keep cats indoors. It is estimated that domestic cats kill millions of birds every year.
  • Lobby your representatives in Washington, DC, to support the Migratory Bird Protection Act, the Clean Water Act, the Clean Air Act and other legislation that protects the environment.
  • Reduce (or better still eliminate) the use of pesticides (particularly neonicotinoids) and herbicides on your property.
  • Create habitat for birds in your own yard by maintaining shrub scrub, planting native plants, and providing water sources.
  • Participate in citizen science efforts to document bird populations.
  • Provide financial support to organizations that support bird conservation, like Willistown Conservation Trust.

While we are disheartened by the findings of this report, Willistown Conservation Trust is more motivated than ever before to continue our work to protect the land and the birds that rely on it.

We (and the birds) thank you for your continued support!

Filed Under: Bird Banding, Bird Conservation, Bird ecology, Conservation, Land Protection, Nature

Somewhere Over the Rainbow

September 13, 2019 By Blake Goll

Ruby-throated Hummingbird at Rushton Farm. Photo by Celeste Sheehan

After peeling yourself out of bed in the pitch black of pre-dawn in deliberate disobedience of your circadian rhythm, you wander through the dark to the bathroom where you reluctantly flip on the light and stand blinking into the mirror with owl sized pupils. You go through the motions of getting yourself dressed, quiet as a mouse so as not to wake your sleeping significant other. Finally you creep to the kitchen to adeptly pour coffee into your thermos without spilling a single precious drop even though the light from the east is still woefully dim.

When you get to the preserve, it is near dawn. The air is fresh, and the trees are alive with tinkling chip notes of migrant birds. As you get to work setting the nets in the hedgerows, you take comfort in the sound of an Eastern Screech Owl singing its haunting song down in the lower woods. You smile as the familiar catbird belts out its harsh petition for the sun to rise now. Above you, a rainbow stretches from one lavender cloud to the next and now you remember what it means to be a part of nature.

Billions of birds now have their sights set somewhere over that rainbow as they travel south by starlight. Our bird banding operation at Rushton Woods helps us monitor which migrants are using our specially managed preserve, understand how long they spend here preparing and fueling up for the journey, learn about populations and lifespans, and study their movements.

  • Yellow-breasted Chat captured this week. Photo by Blake Goll/Staff
  • Director of Bird Conservation, Lisa Kiziuk, educates visitor about a Gray Catbird before releasing it. Photo by Blake Goll/Staff

This fall has been excellent so far with a catch most days of 90-100 birds despite the warm weather we’ve been experiencing. Some highlights have included Connecticut Warbler, Yellow-breasted Chat, Nashville Warbler, and Worm-eating Warbler. Some of the most abundant species include Gray Catbird and American Goldfinch.

  • Chestnut-sided Warbler being banded. Photo by Celeste Sheehan
  • Connecticut Warbler banded 9/5. Photo by Blake Goll/Staff
  • Red-eyed Vireo banded this week. Photo by Blake Goll/Staff
  • American Redstart. Photo by Blake Goll/Staff
  • Black-throated Blue Warbler banded this week. Photo by Celeste Sheehan
  • Young Ruby-throated Hummingbird caught at Rushton this fall. We simply release these at the net since we do not have a special hummingbird banding license. Photo by Blake Goll/Staff

Songbird Banding Open House is Tomorrow Morning (9/14) from 7-10:30 am at Rushton Woods Preserve

Come on out to observe our bird banding, see incredible migratory birds up close, and chat with field scientists.

There’s a lot going on in the woods,

Blake

Monarch butterfly. Photo by Blake Goll/Staff

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

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OUR NATURE PRESERVES

Our nature preserves are open to the public 365 days per year from sunrise to sunset, providing natural places that offer peace and respite for all. Willistown Conservation Trust owns and manages three nature preserves in the Willistown area - Ashbridge, Kirkwood and Rushton Woods Preserve. We maintain these lands for the … Learn more about our nature preserves.

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