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Great size comparison for a Mallard, Cackling Goose, and Canada Goose

[1987/10977] Cackling goose - Branta hutchinsii

Order: Anseriformes Family: Anatidae (ducks, geese and swans) Subfamily: Anserinae (swans and true geese)

Photo credit: Sunil Thirkannad via Macaulay Library

the cackling goose is a relatively small goose found in north america & east asia. they are almost identical in appearance to the more common canada goose, however, they are usually distinguished by a smaller size. the smallest subspecies weighs as little as 3lbs; however, larger members of the species can weigh just as much as a canada goose, making them hard to distinguish. they feed primarily on plant matter found in the water; they also occasionally feed on insects, mollusks, and crustaceans. males and females are almost indistinguishable, however, females have a different call.