Aerial view of an empty osprey nest. Little Egg Harbor, NJ. June 2024.
So far it has been an usual year for nesting osprey in New Jersey. This spring, the pair that has nested at our osprey cam in Barnegat Light, who arrived on time, the female did not lay any eggs. Then I heard from a woman who watches a nest near the southern end of Long Beach Island who reported the same — pair present but incubation was never observed. Another report came in from an osprey nest watcher on the Mullica River (to the southwest of LBI) who reported the same — no incubation observed. We put out a call on social media for osprey nest watchers to report anything odd like this to us (while also reporting osprey nest activity online via Osprey-watch.org). Some people reported seeing the same behavior..
A surfer and osprey at the beach on Long Beach Island. July 2023.
In coastal New Jersey, during spring and summer the recovery of ospreys is apparent. They grace the skies of most ocean front beaches from Sandy Hook to Cape May in search of prey. Their nests line our shorelines and can be found in a variety of nest structures. Today there are over 800 pairs of ospreys who nest all across New Jersey. Results from the 2023 nesting season illustrate how the osprey population continues to grow but with reduced reproductive success due to extremes in weather and reduced prey availability.
Depending on where you look and who you talk to, the fate of many osprey nests might bring tears to your eyes. Since a nor’easter impacted the coast with strong onshore winds for several days, young ospreys have been dying of starvation in plain sight. Over the past week, several reports of adults who abandoned their nests with young have been received. This year, weather has impacted the availability of fish and outcomes of nests in the Garden State.
We’re proud to release results of the 2022 New Jersey Osprey Project Survey, which documented the greatest number of nesting ospreys in the history of the project. Overall, surveys by staff and loyal volunteers recorded a total of 733 occupied nests throughout the state. The majority of ospreys (83%) continue to nest along the Atlantic coast of New Jersey with the remainder nesting along the Delaware Bay and inland locations. Surveys recorded the outcome of 73% of the known population, which allows us to present these results with confidence.
Osprey 98/K with prey over Barnegat Lighthouse State Park. May 2022. Photo by Bob Peal.
I have been finalizing osprey band re-sightings and encounters from last year and one particular band number stood out. It was 98/K, who was re-sighted by Bob Peal during his visit to Barnegat Lighthouse State Park on May 17, 2022. There he photographed a variety of wildlife, including several ospreys who had red auxiliary bands, one of which was readable!
Osprey 52/K. September 5, 2022. Photo by Chris Kelly.
In 2014, we began to band osprey nestlings produced at nests within the Barnegat Bay watershed with auxiliary bands. This was an effort which came about from the interest of Jim Verhagen, a LBI resident and wildlife biographer. He wondered why young ospreys were not banded with color, field readable bands, like some endangered raptors, including bald eagles and peregrine falcons. This spawned Project RedBand, an osprey banding and re-sighting project. The goal of the project was to learn more about ospreys when they are alive while engaging coastal residents in their management. Just under 500 young ospreys were banded with red auxiliary bands from 2014-2020 from nests all along the Barnegat Bay estuary.
An osprey nest with hatchlings on May 16, 2022. One of many nests that eventually failed to produce young this year.
Whenever we look at how ospreys are faring, weather is always taken into account. When we summarize and report on the results of our summer osprey nesting surveys, we also look at the local climate. Being situated along the Atlantic coast, our weather is influenced by the ocean. As aerial predators of fish, ospreys are reliant on favorable water conditions to forage.
Preliminary results of the 2022 New Jersey Osprey Project Census show that the osprey population was not as productive this year as they have been over the past ~20 years. This was largely due to a low pressure system (nor’easter) that stalled off the coast in early May — when the majority of pairs were incubating eggs. The strong onshore winds caused moderate coastal flooding, windy conditions, increased wave action and water turbidity, which made it more difficult for ospreys to find and catch prey in coastal waters. Males do 100% of the foraging from the onset of egg laying until young begin to fledge, so when they are unable to provide food, females must abandon their nests and eggs to forage for themselves. The nor’easter in May appears to have affected the outcome of many coastal nests and in some cases, complete colonies. Of course there are many other causes for nest failure but this year weather played a major role.
If lucky, I might cross paths with this terrapin in another decade (if it’s a female) and she overcomes the odds and returns to nest here as an adult.
While out inspecting our newly created terrapin habitat enhancement site in Little Egg Harbor, I found several terrapin hatchlings who were traversing the 36″ high pile of sand. I was expecting to see some hatchlings, since many arise from the protection of nest cavities on warm spring days in April, but not on top of our enhancement site. The moment I spotted one of these half dollar sized turtles, I looked into the distance and saw another.
On the last osprey survey of the season we stumbled upon a new nest — one that was built on an abandoned crab pot. We were drifting on Absecon Bay when summarizing data when we heard an adult making defensive calls at a nest. We looked and saw a low nest on the ground.Continue reading “Photos from the Field: Ospreys Nest on Abandoned Crab Pot”
Support New Jersey’s ospreys with donations matching a $12,500 challenge to help Conserve Wildlife Foundation purchase a boat.
by Ben Wurst, Habitat Program Manager
Surveying a nest on Long Beach Island in 2017, the last year we were able to utilize a state owned boat. photo by Northside Jim.
Ospreys are living barometers. They symbolize the resilience of life along the New Jersey coast. As a top tier predator who feeds exclusively on fish, their collective health is a direct link to the health of our coastal waters. Anyone can tell you that a healthy coast is essential to life at the shore. Clean water with abundant and healthy wildlife equals a booming shore economy. We have all benefited from actions and policy that have protected our air, land and water since the 1970s. Ospreys are no exception.
