Uncommon Seabird Nests Successfully For First Time In U.s.
Located 26 miles south of Rockland, Matinicus Rock is part of the Maine Coastal Islands National Wildlife Refuge and cooperatively managed by the National Audubon Society's Seabird Restoration Program and the Refuge. The island was also the site, earlier this year, of the first eastern U.S. nesting of Common Murres in more than 100 years.
Audubon's Scott Hall, along with Brian Benedict, Bob Houston, Matt Klostermann, and Lauren Scopel of the U.S. Fish and Wildlife Service, discovered the chick in a relatively shallow burrow – one of six burrows on the island. Upon first examination the shearwater appeared to be an adult - but a closer look revealed remnant patches of fluffy light gray down around the legs - proof that this was a nearly fledged chick.
"The young shearwater had a healthy appearance and perfect plumage as it nibbled on the U.S. Fish and Wildlife patch on my sleeve," according to Brian Benedict.
The team had waited patiently until the end of the 2009 nesting season to check the burrows, in order to avoid disturbing the shearwaters during the 120 days a pair needs to hatch and raise a chick to fledging. Because of this, they could have easily missed this historic event if they had checked the burrows even a few days later.
"This is what we all work and hope for;" said Stephen Kress, director of Audubon's Seabird Restoration Program, "This successful nesting provides further evidence of the health of the Gulf of Maine and demonstrates how Audubon's and the U.S. Fish and Wildlife Service's long term collaborative efforts are helping seabirds to thrive."
Manx Shearwaters (Puffinus puffinus) nest throughout the eastern North Atlantic, especially in Great Britain. These crow-sized albatross relatives have a wingspan of nearly three feet, and are named for their habit of flying low over the water. Studies in Britain indicate that they may live 56 years and travel over five million miles during their long lives. Regular visitors to the western North Atlantic since the 1950's, their breeding was first confirmed in 1973 when a pair produced a chick on Penikese Island in Buzzard's Bay, Massachusetts, but the outcome of this nesting was not confirmed. In 1977, a second North American and first Canadian breeding record was confirmed on Middle Lawn Island in Newfoundland. The species is not known to have nested in the United States since 1973, but a small population has continued to nest on Middle Lawn Island.
A Manx Shearwater was first observed on Matinicus Rock in May 1997 and a nesting burrow was discovered the following year. Two Manx were seen briefly together in 1999 and appeared regularly in 2000. From 2001-2004, shearwaters used the burrow on multiple occasions and an egg was found in the burrow in 2005, but it failed to hatch. In 2006 and 2007, up to 19 Manx Shearwaters were seen around the island. In 2008, a new burrow was found, and visiting adults were documented with an infrared camera, but breeding was not confirmed. Several adjacent burrows were discovered later in 2008. It was in one of these burrows that the fledgling was discovered.
Seabirds nesting on Matinicus Rock and other Maine seabird colonies are dependent on ample supplies of fish such as Atlantic herring and white hake, which they feed to their young. Despite the unusually wet summer, 2009 appears to have been a banner year for both Atlantic herring and Maine seabirds.
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Photos available upon request.
For more information contact:
Terri Edwards, U.S. Fish and Wildlife Service, 413/244-4235 Terri_Edwards@fws.gov
Scott Hall, Research Coordinator, Audubon Seabird Restoration Program firstname.lastname@example.org; (207) 210-3569
Brian Benedict, Deputy Refuge Manager, Maine Coastal Islands National Wildlife Refuge, Brian_Benedict@fws.gov 207-236-6970x10
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