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Cranes are territorial and generally seasonal breeders. Seasonality varies both between and within species, depending on local conditions. Migratory species begin breeding upon reaching their summer breeding grounds, between April and June. The breeding season of tropical species is usually timed to coincide with the wet or monsoon seasons. [2]
The distinction between a heron and an egret is rather vague, and depends more on appearance than biology. The word "egret" comes from the French word aigrette that means both "silver heron" and "brush", referring to the long, filamentous feathers that seem to cascade down an egret's back during the breeding season (also called "egrets").
The common crane (Grus grus), also known as the Eurasian crane, is a bird of the family Gruidae, the cranes.A medium-sized species, it is the only crane commonly found in Europe besides the demoiselle crane (Grus virgo) and the Siberian crane (Leucogeranus leucogeranus) that only are regular in the far eastern part of the continent.
The cattle egret (formerly genus Bubulcus) is a cosmopolitan clade of heron (family Ardeidae) in the genus Ardea found in the tropics, subtropics, and warm-temperate zones. . According to the IOC bird list, it contains two species, the western cattle egret and the eastern cattle egret, although some authorities regard them as a single spe
The great egret was formally described in 1758 by the Swedish naturalist Carl Linnaeus in the tenth edition of his Systema Naturae under the binomial name Ardea alba. He specified the type locality as Europe. [6] [7] The scientific name comes from Latin ardea, "heron", and alba, "white". [8] Like all egrets, it is a member of the heron family ...
Western cattle egrets waiting for scraps at the fish market of Victoria, Seychelles. A conspicuous species, the cattle egret has attracted many common names. These mostly relate to its habit of following cattle and other large animals, and it is known variously as cow crane, cow bird or cow heron, or even elephant bird or rhinoceros egret. [16]
Colonies may contain several species, as well as other species of waterbirds. In a study of little egrets and cattle egrets in India, the majority of the colonies surveyed contained both species. [16] Nesting is seasonal in temperate species; in tropical species, it may be seasonal (often coinciding with the rainy season) or year-round.
The whooping crane (Grus americana) is an endangered crane species, native to North America, [3] [1] named for its "whooping" calls. Along with the sandhill crane (Antigone canadensis), it is one of only two crane species native to North America, and it is also the tallest North American bird species. [3]