WILLISTOWN CONSERVATION TRUST

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Video – 7 Ways to Give Traveling Birds a Boost – Flappy Hour Recap

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On May 14th the Trusts’ Bird Conservation field team held a virtual flappy social hour. They shared short talks about ways you can support migratory birds while remaining socially distant. The talk ended with a casual Q&A session. 52 people signed in! If you missed it and want to learn how to promote bird conservation in your backyard and beyond, click here to watch the recorded session!

  • Did you know that the average adult needs 15 coffee trees per year? By choosing where your coffee comes from and how it is grown, you can help protect our birds that overwinter in the tropics.
  • Did you know that cats have been determined to be the number one cause of bird declines and that we could save billions of birds by keeping cats inside?
  • Did you know that our agriculture is becoming toxic to birds? Many chemicals that are used to coat seeds remain with the plant for its entire life and persist in the environment, despite what the chemical companies say.
  • Did you know that 9 in 10 seabirds have been found with plastic in their stomachs? By reducing plastic use, we can help our oceans and the creatures that inhabit them.
  • Did you know that there are over 48 million acres of lawn in the U.S? By changing how we view these spaces our lawns can actually contribute to bird conservation in a big way.

Explore these topics and more in our Flappy Hour recording.

Magnolia Warbler. Photo by Brian Storey

Our 1000th Bird – A Look at the Numbers

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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.

First Birds Nanotagged at Rushton Woods Detected by Chesapeake Bay Motus Tower

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Exciting news! The first birds ever to be fitted with Motus nanotags at Rushton Woods Preserve have been detected by a Motus receiving station in the Chesapeake Bay. The birds are adult female wood thrush migrating south for the winter, after having spent the breeding season at Rushton. Who knows where they are headed next? Hopefully the Motus network will tell us. Stay tuned!

Using Motus and Rushton to Study the Wood Thrush

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The flutelike song of the wood thrush is emblematic of summer mornings at Rushton Woods Preserve. Unfortunately, both the wood thrush population and places like Rushton, with over 50 acres of deciduous forest, are rapidly disappearing. The loss is so dramatic that wood thrush are one of eight species of conservation concern identified for study by a recent Competitive State Wildlife Grant awarded to the Willistown Conservation Trust. 

One of our nanotagged Wood Thrush caught on September 17th. Photo by Blake Goll

Under the direction of Lisa Kiziuk, the Trust’s Director of Bird Conservation, University of Pennsylvania graduate student Amanda Bebel is conducting research on wood thrush as her capstone project. Amanda’s work is contributing additional scientific information about the wood thrush’s complete life cycle. The focus of her research is to learn precisely where they go during the breeding season. Since they nest in Rushton Woods Preserve, it is an ideal place to conduct the study. And the newly expanding Motus network, which electronically tracks birds’ movement, is an ideal research tool.

By attaching tiny nanotags (small radio transmitters) to six adults and three juveniles at Rushton Woods Preserve in Willistown and several more at Bucktoe Creek Preserve in Kennett Square, Amanda followed these birds during their breeding cycle with incredible geospatial precision. Throughout the summer, she used a hand-held tracking device to zero in on the birds to their physical location while general detections were consistently picked up by the local Motus automated receiver stations at both Rushton and Bucktoe. As the birds migrate south this fall, the broader Motus network that extends to South America will pick them up.

This work contributes more information to conservationists about how to better protect and manage wood thrush habitat. Pennsylvania plays a critical role in the conservation of the wood thrush as it supports a significant portion (approximately 8.5%) of the entire nesting population of the species.

What type of plants do they need for survival? How far do they go after they fledge? How much contiguous forest do they need? Where do they stop to rest and refuel on their migration path? We hope to learn more about these questions when Amanda completes her research in spring 2020. Stay tuned!

Shocking Report Illustrates the Importance of Land Protection

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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!

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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WHERE WE WORK

The work of the Willistown Conservation Trust is concentrated on 28,000 acres of Willistown Township … read more