Record details
Subjects: *BIRD surveys; *BIRDS; *MITOCHONDRIAL DNA analysisUNITED States
Subjects: LAND cover; RARE birds; ENDANGERED speciesUNITED States
Subjects: *PASSENGER pigeon; *BIRD surveys; *BIRDSUNITED States
Subjects: *Bird populations; *Bird conservation; *Natural resourcesUnited States; Colorado; Wyoming
Subjects: *BIRD surveysNEW York (State); ITHACA (N.Y.); UNITED StatesCORNELL University. Laboratory of Ornithology
Subjects: *BIRD surveys; *BIRDS; *WATER birdsOREGON; UNITED States
Subjects: CROP diversification; FOOD crops; BIODIVERSITYUNITED States
Subjects: *BIRD watching; *BIRD surveysUNITED States
Subjects: BIOTIC communities; LAND cover; BIRD surveysUNITED States