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Whooping Crane (Grus americana) - Wiki
Subject: Whooping Crane (Grus americana) - Wiki
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Whooping Crane (Grus americana) - Wiki

Whooping Crane
From Wikipedia, the free encyclopedia

[Photo] Whooping Crane from USFWS. Photo: Joel Trick

The Whooping Crane (Grus americana) is a very large crane. Standing at nearly 5 feet(1.5 meters) with a wingspan of 7.5 feet(2.3m), it is the tallest North American bird and the only crane species found solely in North America. This species' name comes from its whooping call.

Adults are white; they have a red crown and a long, dark, pointed bill while immature Whooping Cranes are pale brown. They have long dark legs which trail behind in flight and a long neck that is kept straight in flight. Black wing tips can be seen in flight on adult Whooping Cranes.

Their breeding habitat is muskeg; the only known nesting location is Wood Buffalo National Park in Canada and the surrounding area. They nest on the ground, usually on a raised area in a marsh. The female lays 1 to 3 eggs. Both parents feed the young. Usually no more than one young bird survives in a season.

Breeding populations winter along the coast of Texas near Corpus Christi on the Aransas National Wildlife Refuge, Matagorda Island, Isla San Jose, and portions of the Lamar Peninsula and Welder Point, which is on the east side of San Antonio Bay.

These birds forage while walking in shallow water or in fields, sometimes probing with their bills. They are omnivorous, eating insects, aquatic plants and animals, crustaceans, seeds, and berries.

The Whooping Crane is endangered mainly as a result of habitat loss. At one time, the range for these birds extended throughout midwestern North America. In 1941, the wild population consisted of 21 birds. Since then, the population has increased somewhat, largely due to conservation efforts. Recent estimates suggest that there are about 336 Whooping Cranes living in the wild, and another 135 living in captivity.

Attempts have been made to establish other breeding populations in the wild. One project by the United States Fish and Wildlife Service and the Canadian Wildlife Service was initiated in 1975 involved cross-fostering with Sandhill Cranes to establish a second self-sustaining flock. Although 85 chicks from the 289 Whooping Crane eggs transplanted into Sandhill Crane nests learned to migrate, the Whooping Cranes failed to mate and reproduce; the project was discontinued in 1989. A second involved the establishment of a non-migratory population near Kissimmee, Florida by a cooperative effort led by the U.S. and Canadian Whooping Crane Recovery Team in 1993. As of October 31, 2006, this population numbers about 54 birds; while problems with high mortality and lack of reproduction are addressed no further birds will be added to the population.

A third attempt has involved the reintroduction of the Whooping Crane to a new flyway established east of the Mississippi river. This project uses isolation rearing of young Whooping Cranes and trains them to follow ultralight aircraft, a method of restablishing migration routes pioneered by Bill Lishman when he lead Canada Geese in migration from Ontario, Canada, to Virginia and South Carolina in 1993. The cranes are costume reared from hatching, taught to follow an ultralight aircraft, fledged over their future breeding territory in Wisconsin, and led by ultralight on their first migration from Wisconsin to Florida; the birds learn the migratory route and then return, on their own, the following spring. This reintroduction began in fall 2001 and has added birds to the population in each subsequent year. As of April 2006, there are 64 surviving Whooping Cranes in the Eastern Migratory Population (EMP), including 19 yearlings lead by ultralight aircraft in fall, 2005 and 4 yearlings released in Wisconsin and allowed to migrate on their own (Direct Autumn Release (DAR)). Fourteen of these birds have formed seven pairs; two of the pairs nested and produced eggs in spring 2005. The eggs were lost due to parental inexperience. Thus far in spring 2006 some of the same pairs have again nested and are incubating eggs. Two Whooping Crane chicks were hatched on June 22, 2006. Their parents are both birds that were hatched and led by ultralight on their first migration in 2002. At just 4 years old these are young parents. The chicks are the first Whooping Cranes hatched in the wild, of migrating parents east of the Mississippi, in over 100 years.
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Whooping crane
Grus americana

Identification Tips:

Length: 45 inches Wingspan: 90 inches
Very large, long-legged, long-necked bird
Long, pointed bill
Holds neck straight both at rest and in flight, not tucking it in like herons do
Dark legs extended in flight
Long, fluffy tertials droop down over tail and primaries
Black primaries
Rare and local-breeds in NW Canada and winters in coastal Texas, reintroductions attempted in NW United States and Florida


Red crown
Black at base of bill extending onto cheek
Entirely white plumage


White body with scattered brown feathers
Pale brown head and neck

Similar species:
With its huge size and white plumage, the Whooping Crane is unmistakeable at close range. In flight, similarly white egrets tuck their necks in an "S" curve while flying and lack the black primaries. Sandhill Crane is similar in shape but is gray overall.
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