|Male at Basai Wetlands, near Gurgaon, Haryana, India|
Their breeding habitat is swamps across south Asia from India, Pakistan, and Sri Lanka to south China, Japan, Philippines and Indonesia. They nest in a dry location on the ground in marsh vegetation, laying 3-6 eggs. These large rails are mainly permanent residents throughout their range.
The body of this rail is flattened laterally to allow easier passage through the reeds or undergrowth. It has long toes and a short tail.
Adult male watercocks are 43 cm (17 in) long and weigh 476–650 g (1.049–1.433 lb). They have mainly black-grey plumage with red legs, bill, extended frontal shield and horn. Young males are buff in colour, darkening as they mature. Their bill is yellow and their legs are green.
Female birds are smaller at 36 cm (14 in) and 298–434 g (10.5–15.3 oz). They are dark brown above and paler below. the plumage is streaked and barred with darker markings. The bill is yellow and the legs are green. The downy chicks are black, as with all rails.
- BirdLife International (2012). "Gallicrex cinerea". IUCN Red List of Threatened Species. Version 2013.2. International Union for Conservation of Nature. Retrieved 26 November 2013.
- CRC Handbook of Avian Body Masses by John B. Dunning Jr. (Editor). CRC Press (1992), ISBN 978-0-8493-4258-5.
- Birds of India by Grimmett, Inskipp and Inskipp, ISBN 0-691-04910-6