Denver-Boulder Metro Area: Birds
This guide contains birds that can be found in the Denver-Boulder Metro Area, including Adams, Arapahoe, Boulder, Broomfield, Denver, Douglas, and Jefferson Counties.
Brant
The Brant or Brent Goose (Branta bernicla) is a species of goose of the genus Branta. The Black Brant is an American subspecies. The specific descriptor bernicla is from the same source as "barnacle" in Barnacle Goose, which looks similar but is not a close relation.
Canada Goose
The Canada Goose (Branta canadensis) is a goose with a black head and neck, white patches on the face, and a brownish-gray body. Native to arctic and temperate regions of North America, it also occasionally migrates to northern Europe, and has been introduced to Britain, New Zealand, and other temperate regions.
Cackling Goose
The Cackling Goose (Branta hutchinsii) is a North American bird of the genus Branta of black geese, which contains species with largely black plumage, distinguishing them from the grey Anser species.
