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The Great White Egret (Casmerodius alba) is a large, widely-distributed egret. Distributed across most of the tropical and warmer temperate regions of the world, in southern Europe it is rather localized.

DescriptionEdit

The Great White Egret is a large bird with all-white plumage that can reach one meter in height, weigh up to 950 grams (2.1 lb) and a wingspan of 165 to 215 cm (65 to 85 in). It is thus only slightly smaller than the Grey Heron. Apart from size, the Great Egret can be distinguished from other white egrets by its yellow bill and black legs and feet, though the bill may become darker and the lower legs lighter in the breeding season. In breeding plumage, delicate ornamental feathers are borne on the back. Males and females are identical in appearance; juveniles look like non-breeding adults. It is a common species, usually easily seen.

It has a slow flight, with its neck retracted. This is characteristic of herons and bitterns, and distinguishes them from storks, cranes, ibises, and spoonbills, which extend their necks in flight.

The Great White Egret is not normally a vocal bird; at breeding colonies, however, it often gives a loud croaking cuk cuk cuk.

BreedingEdit

The Great White Egret will nest among reeds or in trees, usually in colonies. They and may lay up to six eggs over a period of a few days in a large nest made from sticks. In the UK, the Great White Egret started breeding in 2012.

Ecology and statusEdit

The Great White Egret is partially migratory, with northern hemisphere birds moving south from areas with colder winters. It breeds in colonies in trees close to large lakes with reed beds or other extensive wetlands. It builds a bulky stick nest.

The Great White Egret is generally a very successful species with a large and expanding range. It is now a breeding bird in Britain having bred succesfully for the first time in spring 2012 at Shapwick Heath National Reserve.

The Great Egret is one of the species to which the Agreement on the Conservation of African-Eurasian Migratory Waterbirds (AEWA) applies.

DietEdit

The Great White Egret feeds in shallow water or drier habitats, feeding mainly on fish, frogs, small mammals, and occasionally small reptiles and insects, spearing them with its long, sharp bill most of the time by standing still and allowing the prey to come within its striking distance of its bill which it uses as a spear. It will often wait motionless for prey, or slowly stalk its victim.

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