Canada goose


Canada goose
a common wild goose, Branta canadensis, of North America. See illus. under goose.
Also, Canadian goose.
[1725-35]

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Brown-backed, light-breasted goose (Branta canadensis) with black head and neck and white cheeks.

Subspecies vary in size, from the 3-lb (1.4-kg) cackling goose to the 20-lb (8-kg) giant Canada goose, which has a wingspread of up to 6.5 ft (2 m). Canada geese breed across Canada and Alaska and winter mainly in the southern U.S. and Mexico; they have been introduced into England and other countries. They are an important game bird. Their almost incessant honking draws attention to their V-formations during migrations. In recent years their population in North America has greatly increased.

Canada goose (Branta canadensis)

Leonard Lee Rue III

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bird
 a brown-backed, light-breasted goose with a black head and neck. It has white cheeks that flash when the bird shakes its head before taking flight. The various subspecies range in size from 2 kg (4.4 pounds) in the cackling goose (B. canadensis minima) to about 6.5 kg (14.3 pounds) in mature males of the giant Canada goose (B. canadensis maxima). The latter has a wingspread of up to 2 metres (6.6 feet), second in size only to that of the trumpeter swan among common waterfowl. Once a symbol of the North American wilderness, Canada geese (the term Canadian geese is incorrect) are now common pests and airport hazards that are often evicted from park ponds.

 Canada geese breed across North America, including Canada and Alaska during the warmer months, then winter mainly in the southern United States and Mexico. Throughout much of the United States there are also nonmigratory (resident) populations. During their fall migrations, they slice the sky in V-formations, each population adhering to a rigid migratory path with traditional stopover and wintering areas. Strong, swift fliers, they can cover 2,400 km (1,500 miles) in 24 hours when riding wind currents. The V-formation conserves energy by allowing the geese to take advantage of air currents (vortices) created by the wingtips of the bird ahead. They call to one another as they fly, their honking chorus sounding at a distance like a pack of hounds.

      Although lakes, ponds, marshes, and fields are the environments in which Canada geese naturally live, golf courses, airports, and parks provide attractive habitat because of their lawns. Canada geese are almost exclusively plant-eaters, and the bill is serrated for efficient grazing on short grasses. In urban and suburban areas their increased numbers are sometimes unwelcome because 50 geese can produce 2.5 tons of manure in one year. Some golf courses and landowners take measures such as hiring border collies to chase the birds off.

      At the turn of the 20th century Canada geese were feared to be nearing extinction in many areas. Since then, because of the Migratory Bird Convention Act, the institution of refuges, the proliferation of lawns in the eastern United States, and agriculture in the Midwest, the birds have become numerous to the point of being derided as “pond starlings” and “Canada rats.” The release of decoy birds to attract migratory geese to hunters' gunsights also has established a large, nonmigratory population in the eastern United States. At the beginning of the 21st century the resident population was estimated at about one million birds and increasing. Canada geese were introduced into England for sport and as ornamental waterfowl in the 17th century and, subsequently, into other northern European countries.

      Along with ducks (duck), swans (swan), and other geese (goose), the Canada goose belongs to the family Anatidae of the waterfowl order Anseriformes (anseriform).

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Universalium. 2010.

Look at other dictionaries:

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  • Canada goose — n. the largest wild goose (Branta canadensis) of Canada and the U.S.: it is brownish gray, with black head and neck and a white patch on each side of the face …   English World dictionary

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  • Canada goose — n. a wild goose, Branta canadensis, of N. America, with a brownish grey body and white cheeks and breast. * * * ˌCanada ˈgoose 7 [Canada goose] noun a common N American ↑goose with a black head and neck …   Useful english dictionary

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  • Canada goose — kanadinė berniklė statusas T sritis zoologija | vardynas atitikmenys: lot. Branta canadensis angl. Canada goose vok. Kanadagans, f rus. канадская казарка, f pranc. bernache du Canada, f ryšiai: platesnis terminas – berniklės …   Paukščių pavadinimų žodynas

  • Canada Goose — kanadinė berniklė statusas T sritis zoologija | vardynas atitikmenys: lot. Branta canadensis angl. Canada Goose vok. Kanadagans …   Paukščių anatomijos terminai

  • Canada goose — Can′ada goose′ n. orn a common wild goose, Branta canadensis, of North America, with white cheek patches • Etymology: 1725–35 …   From formal English to slang

  • Canada goose — noun Date: 1731 the common wild goose (Branta canadensis) of North America that is chiefly gray and brownish with black head and neck and a white patch running from the sides of the head under the throat …   New Collegiate Dictionary


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