The scientific name of the copper-throated nectar bird Leptocoma calcostetha is 97-115 mm long. It is a small nectar bird. The abdomen is purple and the throat is copper-colored. The female is blackless, with olive-green upperparts and purple underparts. The iris is dark brown , and the mouth and feet are black.
China's southeast coastal areas, Hong Kong, Hainan Island, Taiwan Island and other places
Its natural habitats are tropical evergreen broad-leaved forests and secondary broad-leaved forests in low hills and foothill plains below 800 m above sea level. It is often active on the trees in open areas such as seashores, riversides, hills, villages, etc., and especially likes to inhabit the environment of flowers in all seasons. Resident birds. Except for the breeding period, it is more individual. Sexually active and agile, he constantly jumps and shuttles through the flowers between the branches and leaves, and sometimes forages in the bushes. It feeds mainly on nectar, but also eats some other foods such as berries and insects.
The breeding period is from March to May. Nests on broad-leaved forest trees. The nest is two pointed long shuttle-shaped, mainly made of fine grass, dead leaves, flowers, moss, plant fibers, insect secretions and spider webs, etc.; the nest mouth is located in the middle of the nest side, which has a cornice protruding to cover the nest mouth, and the nest is cushioned with soft kapok wool; the nest is suspended on the thin branches of a small tree, because the spider silk web outside the nest is attached to some dead leaves and cocoons, so that the nest is like a bunch of dead leaves hanging down, which is well hidden in the dense dead leaf bush, and each nest lays about 3 eggs, and the eggs are pear-shaped and dark gray