Seabirds washing up and dying on Cape Cod beaches
EASTHAM — They started washing ashore in April.
Big birds, with wingspans approaching six feet and heavy, durable bodies topped with a formidable beak.
So, when Stephanie Ellis, the executive director of Wild Care, the animal rehabilitation center in Eastham, and Zachary Mertz, executive director of The Cape Wildlife Center veterinary hospital in Barnstable, saw gannets brought into their facilities, sometimes two to four a day, over the past couple of months, they knew something extraordinary was happening.
“I love those birds,” said Ellis. “They are so strong and fierce.”
Their big webbed feet are used to propel the birds through the water after spectacular dives on folded wings from upward of 130 feet in the air, down as deep as 72 feet below the surface. As elegant as they are in the air and water, they are not built for walking on land.
But the birds had far worse problems than tripping over two oversize feet, according to Ellis, Mertz and their staffs.
“They were unable to hold their head up, they had tremors and were unable to control their body movements,” Ellis said. “To us, that usually suggests a toxin or trauma.”
Birds with a long-term illness or injury often stop feeding and are emaciated when they are recovered. But these gannets were within a normal weight range and their blood work appeared normal, Ellis said.
Whatever it is, it’s been deadly, killing 16 of the 21 gannets that Wild Care worked on.
“The staff vet and myself have been in the field for many years. This is the first time we have seen gannets affected by this,” Mertz said. “We are sort of figuring out if this is disease-based or toxicosis, diet-based.”
“The sentiment out there is that this may be a virus passed bird to bird or by ticks or fleas (at nesting sites,)” Mertz said.
The Cape Wildlife Center is affiliated with New England Wildlife Center and the regional facility has been reporting sick and dying gannets washing onto beaches in Duxbury, Hingham and Cohasset, covering 60 to 70 miles of coastline, Mertz said.
But the bulk of affected animals have come ashore on the Atlantic side of the Outer Cape towns of Provincetown, Truro, Wellfleet and Eastham, Mertz and Ellis said.
Wild Care has five gannets in its care, four of which survived the mysterious ailment. Nursing such large animals back to health is labor intensive and expensive, Ellis said, especially at a busy time of year with young injured and abandoned animals and birds coming in. Both facilities have more than 100 patients now.
Rehabilitators first get fluids back into the birds to help flush out toxins if they are present. They then get an easy-to-digest formula mixed from a powder. Next comes a nutritional slurry, a seabird milkshake with the powder and vitamins blended with mackerel, herring or capelin.
“It does not smell good,” Ellis said.
They are then fed fish, which they swallow whole. Rehabilitators place them in pools to encourage them to preen and spread the oil that helps waterproof them against the icy North Atlantic.
“They need to be 101 percent waterproof,” Ellis said. “It is one of the most critical things for us in assessing their readiness for release.”
Then, it’s time to load them on a boat and return them to sea
“It saddens me, because they should be farther north and breeding,” Ellis said. “It is my favorite bird because they are so sexy, absolutely stunning. They tuck their wings and dive like a torpedo. They are completely built for a lifestyle in the water.”
— Follow Doug Fraser on Twitter:@dougfrasercct
Story found here: http://www.capecodtimes.com/news/20170606/seabirds-washing-up-and-dying-on-cape-cod-beaches
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