ALEUTIAN CANADA GOOSE (Branta canadensis leucopareia). One of the smallest forms. Identified by white collar at the base of neck. Threatened sub Stock Photo - Alamy
Habitat - Aleutian Canada Goose
Cackling Goose | Audubon Field Guide
Aleutian Cackling Goose | Project Noah
Understanding Waterfowl: A Closer Look at Cacklers
Aleutian cackling goose - Wikipedia
Identifying A New Population Of Aleutian Geese | Geophysical Institute