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
Fish and Wildlife Service worker at night holding live trap with ferret inside getting ready to release into research area. For more information on the listing status and fact sheets of black-footed ferrets visit...
This photo was taken at Black-Footed Ferret Recovery Program in Colorado. The black-footed ferret is considered to be the rarest mammal in North America. In 1988, the U.S. Fish & Wildlife Service developed the "Black-footed Ferret Recovery...
The Ozark cavefish is found in small cave streams with pool areas. The water source is almost always an upwelling from the groundwater table. Suitable caves are usually found in the vicinity of large permanent streams.
History; Work of the Service; Personnel; Employees (USFWS); Partnerships; Tagging; Monitoring; Radio telemetry;
Black and white image of two men leaning over a tranquilized brown bear with radio telemetry devise during tagging and monitoring of bear population in Alaska. NOTE: Alaska Research Library and Information Service (ARLIS)
