Latest Horseshoe crab Stories
Declining numbers of a shorebird called the red knot have been linked to bait use of horseshoe crabs.
Good housekeeping is essential when you're living in the close quarters of a tightly-sealed spaceship for months at a time.
Experts are pointing to restrictions in U.S. east coast states on harvesting horseshoe crabs as the cause of the recent surge in the population of endangered migrating shore birds after years of over-fishing.
Nearly a half a billion years ago, tiny horseshoe crabs crept along the shorelines much like today's larger versions do, new fossil evidence suggests.
Soon, astronauts onboard the ISS will test a high-tech medical device that uses primitive enzymes from horseshoe crabs to diagnose human illness.
On a remote New Jersey beach, a team of biologists huddled behind a dune, out of sight of a flock of birds that gathered on a stretch of sand.
Environmentalists won a key battle Thursday in their efforts to protect the red knot, a small bird that migrates through the Delaware Bay.
Environmentalists on Tuesday will urge the governors of New Jersey and Delaware to enforce strong new protections for a migratory shorebird threatened with extinction.
The Red Knot (Calidris canutus), or Knot in Europe, is a species of bird found in the tundra and Arctic mountains in the far north of Canada, Europe and Russia. North American birds migrate to coastal Europe and South America, while European birds migrate to Africa, Papua New Guinea, Australia and New Zealand. This species has an extensive range and a large population of about 1.1 million individuals. There are six subspecies. The adult is 9 to 10.25 inches in length with an 18.5 to 20.8...