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
Canada Geese, (Branta canadensis), parent with young, Toronto Island Toronto. Adult has radio tracking collar on neck Stock Photo - Alamy
GPS Tracking of Canada Geese Shows How Far We (and the Geese) Have Come » Cellular Tracking Technologies
Nature on the Edge of New York City: Who Put the Neck Collar on the Goose?