The long-tailed broadbill (Psarisomus dalhousiae ) is a species of bird that is found in the Himalayas, extending east through Northeastern India to Southeast Asia. It is the only bird in the genus Psarisomus. The long-tailed broadbill is about 25 cm (10 inches) in length and weighs between 50 and 60 grams. It can be identified by its shrill call.
The long-tailed broadbill displays a yellow plumage on the throat. Blueish-green plumage on the belly, back, and wings.The long-tailed broadbill is a forest bird that lives on insects. It is very sociable and normally travels in large, noisy parties except during the mating season. It builds a pear-shaped nest in a tree. The female usually lays between 5 and 6 eggs that are incubated by both sexes; both sexes also help to feed the young.
Adult long-tailed broadbills have a bright yellow throat and face, where the yellow patch ranges on each side of the occiput. The yellow feathers continue down to a form a thin band around the neck. There is a thin layer of pale-yellow/whitish feathers that envelops the yellow patch below their throat. Some even have a hint of pale yellow-green on their chin. They have a helmet-like black cap with a sleek blue patch on the crown and a smaller blue patch at the back of their neck. The feathers along the back, belly and top of the wings are bright green produced by a combination of pigmentary and structural color. The underparts of the wings are a lighter green or blueish green. The primary feathers are black, with a metallic blue margin at the base of the external web and a white spot on the base of the inner web.
Long-tailed broadbill have a long blue tail, but the under-tail is black. They have strong, broad bill that is yellowish green in color with lighter edges. They have a pea-green toes and brown legs. Juvenile long-tailed broadbills have a shorter tail, green head with duller plumage. A full-grown adult stand about 10 inches in length (25 cm) and weighs anywhere between 50 and 60 grams.
The long-tailed broadbill is found in the Himalayas and Myanmar and discontinuously found through South-East Asia and the Malay Peninsula to Sumatra and Borneo. They are distributed in a variety of countries: India, Nepal, Bhutan, Myanmar, Thailand, Cambodia, Laos, Vietnam, China, Malaysia and Indonesia.
They are commonly found in broad-leaved evergreen forests, ranging in altitudes from 150 to 2500 meters. Their natural habitats include: forests, streams and creeks, tropical and subtropical moist lowland forests, tropical and subtropical moist mountain forests. They seem to have a habitat preference nears small bodies of water such as streams, freshwater and wetlands. They are resident, non-migratory species. The populations of long-tailed broadbills that live in the higher altitudes of the Himalayas often move down to lower altitudes during cold winter months.
Long-tailed broadbills are social birds that are usually seen foraging about in small flocks. They have also been seen in mixed-species flocks. Despite their loud high-pitched calls, they are relatively shy birds that usually hide among the foliage of trees. They are especially noisy during breeding season.
