Canadian Geese
The Canada Goose (Branta canadensis), colloquially Canadian Goose in North America, belongs to the Branta genus of geese, which contains species wit h largely black plumage, distinguishing them from the grey Anser species.
The black head and neck with white "chinstrap" distinguish this goose from all except the Barnacle Goose, but the latter has a black breast and grey, rather than brownish, body plumage. There are up to 12 subspecies of this bird, of varying sizes and plumage details, but all are recognizable as Canada Geese.
This well-known species is native to North America. It breeds in Canada and the northern USA in a variety of habitats. However, the nest is usually located in an elevated area near water, sometimes on a beaver lodge. The eggs are laid in a shallow depression lined with plant material and down. Males, 8–14 pounds (3.5–6.5 kg), can be very aggressive in defending territory. A pair may mate for life (around 20 years). The female looks virtually identical but is slightly lighter (7–12 pounds, 3–5.5 kg), and has a different honk.
These birds feed mainly on plant material. When feeding in water, they submerge their heads and necks to reach aquatic plants, sometimes tipping forward like a dabbling duck. Flocks of these birds often feed on leftover cultivated grains in fields, especially during migration or in winter, they also eat some insects.
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