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The great egret (Ardea alba), also known as the common egret, large egret, or (in the Old World) great white egret [2] or great white heron, [3] [4] [5] is a large, widely distributed egret. The four subspecies are found in Asia, Africa, the Americas, and southern Europe. Recently, it has also been spreading to more northern areas of Europe.
The eastern great egret (Ardea alba modesta) is a species of heron from the genus Ardea, usually considered a subspecies of the great egret (A. alba). In New Zealand it is known as the white heron or by its Māori name kōtuku. It was first described by British ornithologist John Edward Gray in 1831.
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The Eastern Great Egret (Ardea alba modesta) is a subspecies of the Great Egret found throughout Asia and Oceania. Measuring 83–103 cm (33–41 in) in length and weighing 0.7–1.2 kg (1.5–2.6 lb), the Eastern Great Egret is a large heron with all-white plumage. Its bill is yellow in the breeding season and black at other times, and its ...
In Nova Scotia and New England, adult herons of both sexes averaged 2.23 kg (4.9 lb), [12] while in Oregon, both sexes averaged 2.09 kg (4.6 lb) [13] Thus, great blue herons are roughly twice as heavy as great egrets (Ardea alba), although only slightly taller than them, but they weigh only about half as much as a large goliath heron. [14]
This is the world's largest living heron (the extinct Bennu heron was larger). [3] The height of the goliath heron is 120–152 cm (3 ft 11 in – 5 ft 0 in), the wingspan is 185–230 cm (6 ft 1 in – 7 ft 7 in) and the weight is 4–5 kg (8.8–11.0 lb).
Herons are long-legged, long-necked, freshwater and coastal birds in the family Ardeidae, with 74 recognised species, some of which are referred to as egrets or bitterns rather than herons. Members of the genus Botaurus are referred to as bitterns, and, together with the zigzag heron , or zigzag bittern, in the monotypic genus Zebrilus , form a ...
The family Ardeidae contains the bitterns, herons and egrets. Herons and egrets are medium to large wading birds with long necks and legs. Bitterns tend to be shorter necked and more wary. Members of Ardeidae fly with their necks retracted, unlike other long-necked birds such as storks, ibises and spoonbills.