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Posts Tagged ‘The Wetlands Institute’

Band Resighting Sheds New Light on Delaware Bay Oystercatcher Population

Thursday, December 14th, 2023

When CWF began monitoring American oystercatchers nesting on the Delaware Bay this past spring, we also set out to place field-readable bands on as many oystercatcher adults and chicks as logistically possible. Band resights allow biologists to collect a wealth of information about site fidelity, habitat use, dispersal, and migration, especially when data is collected over many years. Since the Delaware Bay population of oystercatchers was previously unmonitored, we have a lot to learn about their life histories and how they may differ from other oystercatchers in the state, if at all. Where are these birds staging and wintering? Do breeding adults return to the same mates and nesting locations each year? Where do fledged chicks disperse, and will they return to their natal grounds on the Delaware Bay to breed upon reaching sexual maturity? Banding efforts, combined with resight data reported by biologists, dedicated volunteers, and the general public will help answer these questions (and more) as we increase the number of marked individuals on the Bayshore.

Orange C41 (aka “Crouton”) being equipped with a metal federal band on the lower leg. The color of the field-reable bands on the upper legs represents which state the bird was banded in (New Jersey and New York use orange), while the alphanumeric code on the band is unique to the individual bird. All handling of birds is conducted by trained individuals under proper permits.
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It’s a Wrap! First Season of Delaware Bay American Oystercatcher Monitoring is a Success

Tuesday, August 15th, 2023

by Emmy Casper, Wildlife Biologist

This past winter, CWF announced a new project designed to study and monitor the population of American oystercatchers breeding along the New Jersey side of the Delaware Bay. In addition to locating nesting pairs and tracking their success, our goal is to better understand how oystercatchers utilize the bayshore habitats and what factors threaten their productivity. The data we gather with our partners at The Wetlands Institute and U.S. Fish and Wildlife Service will be used to inform future management decisions. We spent the past few months working hard to conduct the project’s first season of monitoring, and we are happy to say that we have made significant progress in beginning to unravel the mysteries surrounding this understudied population.

Delaware Bay American oystercatcher study area. Most oystercatcher pairs this season were concentrated in the bay beaches between Stipson Island and Heislerville WMA.

Since so little is known about this subpopulation of oystercatchers, we had a lot of ground to cover in our first season of fieldwork. First, we had to locate any breeding oystercatcher pairs across 35 sites spanning approximately 45 miles of bayshore from Cape May Point to Sea Breeze. Luckily, we had a head-start based on a preliminary census survey from 2021 that documented some already existing pairs as well as some sites with potentially suitable nesting habitat. We were also fortunate to have a dedicated seasonal technician assisting with the heavy workload. That said, figuring out how to access many of these sites was definitely a learning curve. We quickly discovered that many beaches were only reachable by boat or kayak and only during a narrow window of tide and wind conditions. Other sites were walkable, but only at peak low tides, which meant our surveys couldn’t take too long without risking becoming stranded by the rising tide.

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Announcing New NFWF Funded Project to Study and Monitor American Oystercatchers along the Delaware Bay

Wednesday, February 15th, 2023

by Emmy Casper, Wildlife Biologist

CWF is excited to announce a new project funded by the National Fish and Wildlife Foundation’s Delaware Watershed Conservation Fund designed to develop and execute management strategies for American oystercatchers along the Delaware Bay. Breeding populations of American oystercatchers (State Species of Special Concern) have been well studied and monitored along New Jersey’s Atlantic Coast since 2003, but very little is known about the oystercatchers that nest on the sandy beaches along the Delaware Bay. In 2021, CWF conducted a near bay-wide window census survey to establish a baseline estimate of the Bayshore population. Thirteen oystercatcher pairs were documented across approximately 35 sites from Cape May Point to Sea Breeze, prompting a need for further research and management. This new project seeks to shed light on this understudied population and add to our scientific understanding of their management needs.

American oystercatcher. Photo courtesy of Daniel Irons
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A Resilient Shoreline in Stone Harbor for Birds and People

Thursday, April 2nd, 2015
Conservation Partners Collaborate to Improve Beach Habitat for Birds and Provide Flood Protection for Stone Harbor Residents

By: Lindsay McNamara, Communications Coordinator

Oystercatchers © Dr. Larry Niles

Oystercatchers © Dr. Larry Niles

Beach nesting birds and New Jerseyans who live along the coast both depend on a resilient shoreline — and plenty of sand.

 

This season, thanks to a grant from the National Fish and Wildlife Foundation (through their Hurricane Sandy Coastal Resiliency Grants Program), a team led by New Jersey Audubon worked with Conserve Wildlife Foundation of New Jersey, The Wetlands Institute, New Jersey Division of Environmental Protection, and the US Fish and Wildlife Service to make the beach community of Stone Harbor Point more resilient for birds and people alike.

 

Conserve Wildlife Foundation of New Jersey collaborated with New Jersey Audubon to improve beach habitat for Piping Plovers (endangered in New Jersey), American Oystercatchers and the colonially nesting Least Terns and Black Skimmers. Sand from the southernmost tip of the point was moved to create three areas of higher elevation. The new landscape is expected to benefit Red Knots, Semipalmated Sandpipers, Sanderlings, Semipalmated Plovers, Black-bellied Plovers and others.

 

Stone Harbor, a small beach town along the New Jersey shoreline will see added coastal resiliency benefits and flood protection due to this innovative project that combined the needs for shorebirds with the needs for shore residents. The Stone Harbor project also included the construction of a wide berm of sand near the beachfront parking lot at the far south end of the town. This aspect of the projects aims to increase flood protection for the residents on the developed area of the island.

 

Learn more about this project on New Jersey Audubon’s blog and in the ShoreNewsToday.com article “Working for the Birds.”

 

The National Fish and Wildlife Foundation (NFWF) is a non-profit organization created by Congress to preserve and restore our nation’s native wildlife species and habitats. NFWF is one of the largest funders of wildlife conservation in the world. They fund science-based projects and community-driven solutions.

 

Lindsay McNamara is the Communications Coordinator for Conserve Wildlife Foundation of New Jersey.

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