Species Status categories:
at- risk species — species of plants and animals that are
Federal candidate species and those that the Service
has not identified as candidate species, but are facing
threat( s) and are potential...
Alaska Maritme NWR biologists utilized 3 border collies trained by Rob Lewis of Corvallis Oregon in their recovery effort of Aleutian Cackling geese populations which were listed as endangered in 1973, upgraded to threatened in 1991, and...
AMNWR biologists worked over an extended period to recover the population of aleutian Cackling goose from endangered to its delisting in 2001. This album pictures the landscape, some of the hardships and activities of these hardy biologists