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Canadian Goose

Branta canadensis
ORDER: ANSERIFORMES
FAMILY: ANATIDAE

A familiar and widespread goose with a black head and neck, white chinstrap, light tan to cream breast and brown back. Has increased in urban and suburban areas in recent years; just a decade or two after people intentionally introduced or reintroduced “giant” Canada Geese to various areas, they are often considered pests.
Size & Shape
Canada Geese are big waterbirds with a long neck, large body, large webbed feet, and wide, flat bill.
Color Pattern
Canada Geese have a black head with white cheeks and chinstrap, black neck, tan breast, and brown back.
Behavior
Canada Geese feed by dabbling in the water or grazing in fields and large lawns. They are often seen in flight moving in pairs or flocks; flocks often assume a V formation.
Habitat
Just about anywhere near lakes, rivers, ponds, or other small or large bodies of water, and in yards, park lawns, and farm fields.
Similar Species
Cackling Geese were once considered the same species. They’re nearly identical but much smaller than most Canada Geese (some Cackling Geese may be as small as Mallards); Cackling Geese have a tiny, stubby, triangular bill. Greater White-fronted Geese have a brown, not black, neck and lack the white cheeks and throat. Snow Geese, whether the white or blue form, have an all-white head. Brant have a dark chest and the white is limited to the neck, not the cheek. The Barnacle Goose, very rare in North America, has an entirely white face, a black breast, and a gray and black barred back. Various domestic hybrid geese may have a wide variety of different markings.
Brant
Cackling Goose
Greater White-fronted Goose
Snow Goose
Regional Differences
Canada Geese tend to be smaller as you move northward; plumage tends to be darker as you move westward.
Find This Bird
During summer, and increasingly at other times of year, Canada Geese are fairly easy to see, swimming in open water, resting near shore, or grazing on lawns or farm fields. They are often heard flying above, by day or night; if you study their honks you may notice the difference by sound when other species of geese or swans are flying.
(ack: http://www.allaboutbirds.org/guide/Canada_goose)

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