Blue blood from horseshoe crabs is needed for medicine, but a declining bird relies on crabs to eat phys.org - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from phys.org Daily Mail and Mail on Sunday newspapers.
About 22,000 red knot shorebirds, which are listed as threatened by the federal government have been seen in NJ this spring, a four-year high, according to biologists.
About 22,000 red knot shorebirds, which are listed as threatened by the federal government have been seen in NJ this spring, a four-year high, according to biologists.