U. S. Fish and Wildlife Service - Northeast Region:
Horseshoe Crab
U. S. Fish and Wildlife Service - Northeast Region:
Mating pair - Horseshoe crabs
U. S. Fish and Wildlife Service - Northeast Region:
Horseshoe crab eggs in hand
U. S. Fish and Wildlife Service - Northeast Region:
Red Knot Winter Plumage
U. S. Fish and Wildlife Service - Northeast Region:
Horseshoe Crab
U. S. Fish and Wildlife Service - Northeast Region:
Red Knot in Flight
U. S. Fish and Wildlife Service - Northeast Region:
Red Knot in Flight
U. S. Fish and Wildlife Service - Northeast Region:
Hoseshoe Crab
U. S. Fish and Wildlife Service - Northeast Region:
Horseshoe Crab
U. S. Fish and Wildlife Service - Northeast Region:
Red Knot and Horseshoe Crab
U. S. Fish and Wildlife Service - Northeast Region:
Tagged Red Knot
U. S. Fish and Wildlife Service - Northeast Region:
Tagged Red Knot
U. S. Fish and Wildlife Service - Northeast Region:
Tagged Red Knot
U. S. Fish and Wildlife Service - Northeast Region:
Horseshoe Crab
U. S. Fish and Wildlife Service - Northeast Region:
Horseshoe Crab
U. S. Fish and Wildlife Service - Northeast Region:
Horseshoe Crabs