I never imagined the rewarding experience of observing adult ospreys that I banded as nestlings. Over the past decade, I have banded six hundred and twelve ospreys with field readable red auxiliary bands. These birds originated from nests throughout the Barnegat Bay watershed, from Point Pleasant to Little Egg Harbor. This year, 29 red banded ospreys were re-sighted along the coast of New Jersey.
Barnegat Bay Osprey Returns to New Jersey After Two Year Vacation
by Ben Wurst, Habitat Program Manager
04/D was photographed in Allendale at the Celery Farm by Barbara Dilger on Monday, April 23.
North American ospreys migrate long distances to and from their breeding and wintering grounds in the southern U.S., Central America, Caribbean Islands, and N. South America. For the past four years we have been banding young ospreys who originate from nests on Barnegat Bay with an auxiliary band to help determine their movements after fledging. Project RedBand was designed to help track the migration, dispersal, life span, and foraging habits of ospreys from Barnegat Bay, a unique estuary along the Atlantic Coast of New Jersey. The project was also designed to help engage the public in osprey management and conservation. Since the red bands are highly visible and readable with optics, it allows the public the ability to identify the individual and then learn about their past. Lastly, we now rely heavily on citizen scientists who report nesting activity on Osprey Watch. Continue reading “Osprey 04/D Back in Jersey!”
Osprey 44/C re-sighted at Island Beach State Park!
by Ben Wurst, Habitat Program Manager
Project RedBand Osprey 44/C was re-sighted by Shayna Marchese on Island Beach State Park on July 3, 2016.
Really exciting news. For the first time this year, a (live and well) red banded osprey was re-sighted! 44/C was banded as a nestling on July 12, 2014 and photographed by Shayna Marchese on July 3, 2016 at Island Beach State Park. Young ospreys spend two years on their wintering grounds before returning to their natal areas. This is the first year that 44/C has returned to New Jersey. 44/C appears to be a male, and males have a higher level of site fidelity than females do, so they are more likely to return to the same area that they originated from. We aren’t surprised that one of our first red banded birds to be re-sighted in New Jersey was at Island Beach State Park, just outside Sedge Island Wildlife Management Area. For anyone who is not familiar with Sedge, it is the state’s most densely populated osprey colony in New Jersey. Around 30 pairs of ospreys nest at Sedge which is less than 3 square miles. Continue reading “Project RedBand Alumni Update!”
92 Ospreys Enlisted in Citizen Science Based Re-sighting Project
by Ben Wurst, Habitat Program Manager
A young osprey named “Danny” was banded with a color auxiliary band 76/C for future tracking at a nest on Long Beach Island. Photo by Northside Jim.
This is the critical time of year for monitoring our nesting ospreys. Each year biologists and specially trained volunteers, aka Osprey Banders, conduct ground surveys by boat to monitor the state population. They visit or survey the most densely populated colonies of nesting ospreys: Sandy Hook, Barnegat Bay, Great Bay, Absecon, Ventnor-Margate-Ocean City, Great Egg Harbor Watershed, Sea Isle, Avalon-Stone Harbor, Wildwood, Maurice River, and parts of the Delaware Bay. These surveys have been conducted since the early 1970s when ospreys were not so common, with only 50 pairs in 1973.
Their recovery has been quite remarkable. With an estimated 600 nesting pairs throughout the state, our ospreys are in a much better position today. Why put so much time and effort into monitoring a seemingly healthy population? Even though their population is much larger than it was decades ago, ospreys still face a variety of threats that jeopardize their ultimate survival. It’s commonly known that ospreys face very high mortality rates in their first year of life. Before even leaving the nest their young are so vulnerable. They can fall or be blown out of the nest, predated by raccoons, crows, or eagles, killed by their own siblings, or die from starvation. After they fledge, then they need to learn to find and catch prey and avoid power lines and wind turbines. Then they need to learn to migrate south and avoid being shot in the process. Once they find a suitable wintering site, then they remain in the same area for the next two years. Then they return to their natal areas to find a suitable nest site and start their own osprey family!
Today, we need your help! We cannot reach all active nests in New Jersey. There is still plenty of time to help us keep track of the state population. Citizens are encouraged to submit sightings of activity at osprey nests on Osprey Watch, a global osprey watching community. In 2013 all of the known locations for osprey nests was released on Osprey Watch’s website. As a partner with Osprey Watch, we share and use the data collected to help determine the overall health of the population, which is summarized in our annual report.
To help engage our Osprey Watchers, we started Project RedBand, a citizen science based osprey re-sighting project. This is year two of the project. So far we’ve deployed 92 red bands (out of 100) on young produced at nests on Barnegat Bay (62 in 2014 and 30 in 2015). The young that were banded last year will start to return to New Jersey in 2016. Usually young adults return later than older adults, so the red banded birds might not be seen until May or June. That’s when they’ll find areas with high prey availability and suitable nest sites. Usually males don’t stray far from their natal areas but females do. With these red bands, we hope to learn a little more about where our ospreys are dispersing to and at the same time engaging our coastal communities in osprey conservation.
Auxiliary bands help link Barnegat Bay ospreys to their wintering grounds
by Ben Wurst, Habitat Program Manager
04/C was banded at a nest on LBI and re-sighted on the island of Trinidad and Tobago by Nicholas Hassanali.
When I started work on Monday morning I got some amazing news (at least for an osprey lover). One of the young ospreys that I banded on Barnegat Bay was re-sighted on the Caribbean island of Trinidad and Tobago!! To top that cake, the osprey was photographed to confirm its sighting. YES!! Nicholas Hassanali took the above photo and enlarged the red band to read the alpha-numeric code which reads “04/C.” I looked up in my banding records and saw that 04/C was produced at a nest behind the Long Beach Island Foundation for Arts & Sciences in Loveladies, Long Beach Island.
04/C after being banded. He was around 4 weeks old on July 7, 2014.
I banded him (I can tell its a male by the size of the band on its leg and the lack of a brown necklace of feathers on its breast) on July 7th with a CWF donor Bill C. We ventured to four nests by kayak. This was the first survey where I started to deploy the red auxiliary bands on young ospreys. I remember that it was a pleasant day. Not too hot or windy. As we made our way from one sheltered nest on a lagoon to another out on the bay we felt the winds kick up from the south making paddling difficult (especially when you’re towing another kayak with a ladder on top!).
125-A-032: 04/C’s nest.
We decided to return to Bill’s house and take my truck to survey the next two nests, since we could walk to them from a side street. We walked out to one nest and found that it failed, i.e. no young were produced. Then we proceeded onto the next, 04/C’s nest. I remember climbing up the ladder to band the young and did not get a chance to take any better photos because I had to be on my way soon. While up there I remember the male dropped a fish (bunker) and Bill got it and we put it back into the nest. One thing that I will not forget about this day is the smell of smoke and burning plastic. I found out later that day that a lawyer’s office in Ship Bottom was on fire when we were out surveying these nests. Luckily no one was hurt in the fire!
I personally cannot wait to get more reports of our red banded ospreys. The young that were banded this year will not return until 2016 and even then they might not return until the late spring/early summer and will not breed. At least I know that there are people out there watching and admiring our ospreys! As Nick said in a comment on his photo on Flickr, “ I have a great love for Ospreys.” 🙂
A lot has changed throughout the 40 project history of the New Jersey Osprey Project. From a low of only 53 osprey pairs (statewide) in 1973, today there are more than 540 pairs that return here each year to feed, nest, and raise young. In the beginning work to re-establish their population was a trementous undertaking. Ospreys, a were loaded with environmental contaminents (DDT, which caused the thinning of egg shells), their habitat was bulldozed, and early on birds were shot for their feathers and eggs. Once the Endangered Species Conservation Act of 1973 ospreys were afforded protection they deserved, and work by biologists like Pete McLain were underway to restore the population in New Jersey. Continue reading “Project RedBand is a go!”
Ben Wurst prepares to band two osprey nestlings for future tracking. Photo courtesy Eric Sambol
By now many young ospreys have taken to the wing. While they still rely on their nests to perch at night and their parents for food, these juveniles take to the skies to learn the skills needed to survive to adulthood. Our nesting surveys have been completed, birds banded, and our sunburn and green bites are healing! Over the next week I will start to enter and summarize data that I’ve collected and data from our volunteer “banders” who help cover the most densely populated colonies. From my surveys, which range from Mantoloking to Atlantic City, I’d say that productivity is down in some areas and up in others, as compared to last year. But, ospreys still had a decent year. I would NOT call it a BAD year!
By far my own survey effort was not as great as last year, when we conducted a census of all nesting ospreys in NJ, by publishing our nest locations on our partners website, called Osprey Watch. This year I battled broken boats, a severe cold (still didn’t slow me down), harsh south winds, and thunderstorms to get to as many nests as I could, especially on Barnegat Bay. Why Barnegat Bay? We all have heard that Barnegat Bay is dying. Overloaded with excess nutrients from stormwater runoff, which is killing off the eelgrass beds that provide shelter for many juvenile fish, aka future osprey prey. This project will help us learn about osprey foraging habitat on N. Barnegat Bay. Are more birds foraging in the ocean in those areas, as opposed to birds that nest closer to LBI and LEHT? Hopefully our ospreys will help shed some light on the health of the bay. Lastly, the project would not be possible without the generous support of Northside Jim, chief blogger/extraordinary photographer at “Readings from the Northside” and his many followers. With their support we were able to purchase (100) and deploy (60) a red auxiliary band on young birds. These bands are engraved with an alpha-numeric code which will make identifying birds much easier than only the aluminum USGS band. In the coming weeks Jim will be giving us some assistance with setting up a nice little website where people can learn all about the bands, the birds, and most importantly: report re-sightings of these awesome new bands!
