The black-headed ibis, also known as the Oriental white ibis, Indian white ibis, and black-necked ibis, is a species of wading bird of the ibis family Threskiornithidae which breeds in the South and Southeast Asia from India to the west and as far east as Japan
They are migratory or vagrant in Japan, Republic of Korea, Lao People's Democratic Republic and Mongolia. The species is a widespread breeding bird in India, Sri Lanka, Nepal and Myanmar, and has declined considerably to few locations or breeding colonies in Cambodia, Indonesia, Malaysia, Thailand, and Vietnam
he black-headed ibis is one of several large waterbird species in south and south-east Asia, with adults measuring 65–76 cm in length. The white plumage is starkly contrasted against a conspicuous naked black neck and head, and black down-curved beak. Tails of adults bear light grey ornamental feathers that turn jet black during the breeding season. During the breeding season, bare patches under the wing turn blood-red.
Threskiornis melanocephalus
Threskiornis
28.2 years in captivity
It probes into mud and shallow water with its long, down curved black bill, sometimes submerging its entire head. Found primarily around wetlands including agricultural fields and occasionally around coastal areas, but also seen foraging in dry fields and human-modified landscapes.
Threskiornithidae
r 28.2 years in captivity
Bangladesh, Cambodia, China, Hong Kong, India, Indonesia, Malaysia, Myanmar, Nepal, Pakistan, Philippines, Russian Federation, Sri Lanka, Thailand and Vietnam.
Diet includes frogs, tadpoles, snails, adults and larvae of insects, and worms; also fish and crustaceans, probably more commonly when feeding in coastal areas; occasionally plant matter.