The giant Canada goose (Branta canadensis maxima ) is the largest subspecies of Canada goose, on average weighing in at 5 kg (11 pounds). It is found in central North America. These geese were at one point considered extinct, but were later rediscovered.
Oviparous animals are female animals that lay their eggs, with little or no other embryonic development within the mother. This is the reproductive...
Precocial species are those in which the young are relatively mature and mobile from the moment of birth or hatching. Precocial species are normall...
Waterfowl are certain wildfowl of the order Anseriformes, especially members of the family Anatidae, which includes ducks, geese, and swans. They ...
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starts withThe giant Canada goose is often mistaken for the Moffitt's Canada goose. However, giant geese have both a lower call and a larger bill to body size ratio. Another good identifier includes the black on the neck, which starts much farther up the neck than any other subspecies. The giant goose's white cheek patch is very large, reaching the lower bill. Unlike other variants, the underbelly is very pale. A less reliable identifier is the white forehead and eyebrows, which don't always occur and Moffitt's geese less commonly have.
In the 1950s, the giant Canada goose was declared extinct. However, a small population in Rochester, Minnesota was rediscovered by biologists in 1962. In recent years, the subspecies' numbers have been increasing and can commonly be found in parks and other urban areas. It is also thought that introduced populations of Canada geese in Europe are derived from B. c. maxima in addition to the nominate subspecies canadensis.
