grey junglefowl (Gallus sonneratii) Plumages of the Grey Junglefowl (Gallus sonneratii): Chick, juvenile female, juvenile male, and adult male
Date Published in 1921
Source A Monograph of the Pheasants, volume 2 by William Beebe
Author Henrik Grönvold (1858–1940)  
Source: https://commons.wikimedia.org/wiki/File:Grey_Junglefowl_plumage_by_Henrik_Gr%C3%B6nvold.png
The grey junglefowl (Gallus sonneratii), also known as Sonnerat's junglefowl, is one of the wild ancestors of domestic fowl. Grey junglefowls are endemic to India, and even today they are found mainly in peninsular India and towards the northern boundary.