Photos from the Field – Summer Bat Count

Little brown bats. Photo by Jo Arlow

Every summer, volunteers across New Jersey spend their evenings watching the skies as bats emerge from their roosts. Through the Summer Bat Count, these observations help us better understand the status of New Jersey’s bat populations.

The Summer Bat Count is a volunteer-driven program led by the Conserve Wildlife Foundation of New Jersey and the New Jersey Endangered and Nongame Species Program (ENSP). Volunteers monitor known summer bat roosts such as attics, barns, bat houses, and churches, and count the number of bats that emerge at dusk.

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CWF Receives Grant to Study a New Piping Plover Predator Exclosure Design

Earlier this spring, CWF received a grant from The Boston Foundation to study a new predator exclosure design to assist with piping plover recovery.  Exclosures or nest “cages” have been used over the past several decades to protect plover eggs from predators such as red fox and crows. Although nest exclosures greatly increase hatch success, they can also increase the likelihood of an adult being killed by a predator. Unfortunately, over the years, New Jersey has struggled with high adult mortality associated with the traditional round exclosures. 

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NJ Delaware Bay Shorebird Stewards: Protectors and Educators

by: Larissa Smith, Senior Biologist

Red knot, photo: Todd Vazquez

This shorebird season 43 stewards worked a total of 1,374 hours over a two week period from May 9th thru May 25th.  Stewards were posted at restricted access beaches in Cape May and  Cumberland Counties.  Stewards help to protect the migrating shorebirds that stop over on the Delaware Bay to feed on the horseshoe crab eggs.  They keep people off of the restricted beaches by educating them about the importance of letting the shorebirds feed undisturbed so that they can gain the weight needed to continue their journey north to their breeding ground’s. Continue reading “NJ Delaware Bay Shorebird Stewards: Protectors and Educators”

Photo from the Field: Signs of Food Stress

Photo of an empty osprey nest on a wood platform with a vibrant green saltmarsh in the background.
An occupied but empty osprey nest at Sedge Island WMA as viewed by a small action camera.

This spring, we have been conducting osprey nest surveys to better understand nesting outcomes across New Jersey’s coast. These surveys are focused on coastal colonies, where signs of food stress have become increasingly evident in recent years due to the scarcity of Atlantic menhaden, the primary prey of nesting ospreys.

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2025: A Year of Challenges for Coastal Nesting Ospreys

The 2025 nesting season for ospreys in New Jersey began as others. Breeding adults returned to their nests in March and April, pairs reunited, and nesting activity got underway on schedule. But as the season progressed, it became clear that this year would be anything but typical.

A nor’easter in late May marked a turning point. Lasting nearly three days, the storm brought strong winds, heavy rain, and coastal flooding. Conditions that made it extremely difficult for ospreys to find food. As observed in previous years, these types of storms are known to disrupt foraging in the ocean, and in many cases, lead to brood reduction or nest abandonment. However, weather alone does not explain what we observed.

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An Unusual Season for Union County’s Falcons

Each spring, wildlife enthusiasts across New Jersey — and beyond — tune in to watch one of the state’s most exciting conservation success stories unfold in real time: the Union County Falcon Cam. This season, viewers witnessed an unusual change when the nesting female was replaced mid-season. What makes this especially remarkable is that the new female is now incubating the five eggs laid by the previous female.

Hosted by the Conserve Wildlife Foundation of New Jersey in partnership with Union County, the Falcon Cam offers a live look at a nesting pair of peregrine falcons as they court, lay eggs, and raise their young.

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Photo from the Field: A Setback That Sparked Renewed Determination

Broken but not forgotten.

In late March, I set out to repair an osprey nest platform on Barnegat Bay — one I had scouted during the winter while hiking trails in Eno’s Pond County Park. I recently learned that this platform has been in place since at least 2012, when a viewing blind once stood nearby, though it was reportedly destroyed during Superstorm Sandy. Continue reading “Photo from the Field: A Setback That Sparked Renewed Determination”

2025 New Jersey Bald Eagle Report

by: Senior biologist, Larissa Smith

photo by Rich Nicol

The 2025 NJ Bald Eagle Project report developed by the NJDEP Division of Fish and Wildlife and the Conserve Wildlife Foundation of New Jersey , has been released.  In 2025 the NJ eagle population had a decline in the number of active (laid eggs) nest from 264 active nests in 2024 to 251 in 2025.  The decline is partly due to the Highly Pathogenic Avian Influenza (HPAI). Testing confirmed that 28 of 56 bald eagle mortalities last year (for which testing was completed) were the result of HPAI.

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Gearing Up for Year 5 of Bird Monitoring at Horseshoe Island

Just yesterday, as February comes to a close, I saw my first pair of American oystercatchers on breeding territory on Long Beach Island. The first piping plover of the season will likely be sighted in New Jersey sometime next week or so. Still, as we remain in the midst of one of the harshest and snowiest winters in a long time here on the New Jersey coast, it’s hard to believe that CWF staff will be back out at Horseshoe Island in just over a month to start biological monitoring for the 2026 beach nesting bird season.

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One Strong and Feisty Chick at the Duke Farms Eagle Nest

The Duke Farms eagle pair are beloved by cam viewers who watched them lay three eggs in January and incubate during two weeks of freezing cold weather. Unfortunately, one of the eggs prematurely cracked  on February 20th and wasn’t viable.

The cracked egg can be seen front, right.

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