Surge of Dead Seabirds

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Surge of Dead Seabirds Alarms Scientists

 

 

July 04, 2007 — By Bruce Smith, Associated Press

 

CHARLESTON, S.C. -- Hundreds of dead seabirds that washed up along the Southeast

coast in recent weeks apparently starved to death, but experts don't know why.

 

The deaths of the birds -- similar to gulls and called greater shearwaters --

have wildlife officials worried about possible changes in the ocean that could

have affected the fish that the birds usually eat.

 

" It's got a lot of folks talking and wondering, " said Jennifer Koches, a

spokeswoman for the U.S. Fish and Wildlife Service. " Is this a canary in the

coal mine issue? Is there something that serious going on out in the ocean that

it should be causing us serious alarm? "

 

An estimated 1,000 of the dead birds have been found from the Bahamas to Florida

and north to the Carolinas, said Craig Watson, a wildlife biologist with the

Fish and Wildlife Service.

 

About 160 have been found along the South Carolina coast from Hilton Head to

Murrells Inlet.

 

The birds, which feed on small fish, nest on islands off southern Africa and

then migrate north during the summer to the ocean off Canada. Most of the dead

birds are juveniles that were born this year.

 

" It does look like they are starving to death, " Watson said. " They are extremely

malnourished. "

 

The winds on the ocean could be pushing the birds off course where they find

less to eat, he said.

 

" The other thing is the forage fish they rely on may be unavailable to them for

some reason, " Watson said. " Is it because there is less out there? We don't

know. We are hearing that off the coast of South Carolina it could be one of the

worst years on record for forage fish. "

 

Initial tests on the dead birds do not seem to indicate bird flu or some other

disease. Al Segars, a state Department of Natural Resources veterinarian, said

that dehydration also was a factor because seabirds get much of the water they

need from the fish they eat.

 

There was a similar die-off two years ago when about 600 dead birds were found,

Watson said.

 

He said some other birds have also been found in recent weeks, but the majority

are the shearwaters. There is always mortality among the young birds " but this

appears to be a little more, " Watson said.

 

" There are millions of these shearwaters out on the ocean. I'm not sure an event

like this would impact the population that greatly unless it happens year after

year, " he said. " But the bigger question is, 'Why is this happening?' "

 

Source: Associated Press

 

 

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