An empty osprey nest on a sandbar located on Barnegat Bay.
In the coming weeks CWF staff, NJDEP Biologists, and a handful of dedicated volunteers will descend onto the coastal saltmarshes of New Jersey to conduct a census of nesting ospreys. The last census was conducted in 2017 when 668 nesting pairs was recorded. They will survey remote areas of back bays by boat. Nests are surveyed in a variety of methods, with ladders being the traditional method, which allow for closer inspection of nests and banding of young for future tracking. Other nests are surveyed from a distance using optics or cameras with telephoto lenses, a mirror, smartphone or GoPro on an extension pole and a sUAS (when operated by a FAA licensed unmanned pilot). The goal is to recorded the total number of nesting pairs throughout the State.
Banding osprey nestlings with red auxiliary bands at a nest off LBI. photo by Northside Jim.
If you live along or visit the coast, then it’s no surprise that ospreys continue to thrive in New Jersey. 2018 was yet another banner year for these coastal nesting raptors. Their large stick nests depict our rivers and estuaries while they indicate that we’re doing a good job of protecting our local environment along the coast. Today we’ve published results from last year’s nesting season in the 2018 New Jersey Osprey Project Report.
CWF Osprey Banding Apprentice Northside Jim holds a young osprey, 13/K, after banding.
Mid-summer marks the nestling period of nesting ospreys, a coastal raptor, whose diet consists mainly of fish. As a state that’s heavily influenced by its location along the Atlantic Ocean, they play a critical role in our coastal ecosystem. Ospreys are important bioindicators of the health of our coastal waters, through the lens of their prey, where pollutants are biomagnified through the food chain. As we consume many of the same fish, they show the effects of these pollutants long before humans, so the health of their population has implications for our coastal waters and us! (more…)
Statewide Census Documents over 650 nesting pairs in New Jersey
by Ben Wurst, Habitat Program Manager
An osprey prepares to land on a natural nest. Barnegat Bay, NJ.
Since we began to work more closely with ospreys in 2006, we have documented the population grow beyond the historic population estimate of 350-450 nesting pairs (Henny 1977) to a new historic milestone. In 2017, a total of 668 active nests were recorded during a statewide census of nesting ospreys, which is well above the post-DDT milestone of 500 nesting pairs, and show that the population continues to grow. This is the second census conducted without the use of manned aircraft since 2009 after all known osprey nests were released and mapped online in 2013. Despite the lack of aircraft, we’re still able to obtain an accurate representation of the size and health of the statewide population, while reducing the overall project cost. (more…)
Braving the Caribbean Sea to Survey Turneffe Atoll
by Ben Wurst, Habitat Program Manager
Jay T. loads gear into Horace’s boat on Sittee River.
For the final leg of our survey of Ridgway’s ospreys in the northern most part of our study area, we set out for Turneffe Atoll. Turneffe Atoll is an archipelago of mangrove islands and coral reef that’s approximately 20 miles east of Belize City. It’s 30 miles long and 10 miles wide and Belize’s largest coral atoll. Luckily, it was declared a marine reserve in 2012, which protects it from future development. Turneffe is an amazing assemblage of different marine habitats which provide habitat for a variety of many different species of wildlife, including American crocodiles (more on this later!), conch, spiny lobster, manatees, dolphins, sea turtles, and many species of birds, coral and fish. The mangrove islands are large with taller trees on the interior of the island. This is where most, if not all, the ospreys nest. We left on Monday, February 20th. (more…)
