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Junglefowl are the only four living species of bird from the genus Gallus in the bird order Galliformes, and occur in parts of South and Southeast Asia.One of the species in this genus, the red junglefowl, is of historical importance as the direct ancestor of the domestic chicken, although the grey junglefowl, Sri Lankan junglefowl and green junglefowl are likely to have also been involved. [2]
The red junglefowl (Gallus gallus), also known as the Indian red junglefowl (and formerly the bankiva or bankiva-fowl), is a species of tropical, predominantly terrestrial bird in the fowl and pheasant family, Phasianidae, found across much of Southeast and parts of South Asia.
Sri Lankan junglefowl and red junglefowl diverged about 2.8 million years ago, whereas time of divergence between the Sri Lankan junglefowl and grey junglefowl was 1.8 million years ago. [2] Evidence of introgressive hybridization from Sri Lanka junglefowl has also been established in domestic chicken. [2]
Domesticated chickens descend from red junglefowl of southeast Asia. These birds are only capable of short flights and lift-offs from trees.
The green junglefowl (Gallus varius), also known as Javan junglefowl, forktail or green Javanese junglefowl, is the most distantly related and the first to diverge at least 4 million years ago among the four species of the junglefowl. [2] Hybridization with domestic chicken has also been reported. [2]
At some point thousands of years ago, ancient chicken breeders chose two tame jungle fowl (gallus gallus) and the resulting union produced the egg of the world’s first genetically distinct ...
The gray junglefowl (Gallus sonneratii), also known as Sonnerat's junglefowl, is one of the wild ancestors of the domestic chicken together with the red junglefowl and other junglefowls. The species epithet commemorates the French explorer Pierre Sonnerat .
These comprise the endemic subspecies of buff-banded rail, the introduced green junglefowl and helmeted guineafowl, the white-breasted waterhen, eastern reef egret, nankeen night heron and the introduced Christmas white-eye. Four other introduced species are now extinct in the Islands.