American Oystercatcher ( Haematopus palliatus ). The North American population of American Oystercatchers are on the  2014 State of the Birds   Watch List , which lists species most in danger of extinction without significant conservation action. This species is a “species of special concern” in several coastal states along the East Coast in the United States and are listed as a "yellow" species (indicating a national conservation concern) by The National Audubon Society.