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The green-billed coucal (''Centropus chlororhynchos'') is a member of the cuckoo order of birds, the Cuculiformes, which also includes the roadrunners, the anis, and the hoatzin. It is endemic to Sri Lanka. The green-billed coucal is a rare and shy species of the tall rainforests of southwest Sri Lanka. It nests in a bush, and the typical clutch is 2-3 eggs. This is a medium to large species at 43 cm. Its head and body are purple-black, the wings are maroon above and black below, and the long tail is dark green. The bill is a distinctive light green. Sexes are similar, but juveniles are duller and streaked. The green-billed coucal takes a wide range of insects, caterpillars and small vertebrates, but snails are a favourite. It occasionally eats other food items. This species is somewhat smaller and less contrasted than the more widespread greater coucal. Despite its size and distinctive call, this is a difficult species to see because of the dense habitat in which it lives and its retiring nature. This coucal has a small and declining population as a result of the forest destruction. ==In culture== In Sri Lanka, this bird is known as ''bata atti-kukula'' - or, ''wal atti-kukula'' in the Sinhala language. This bird appears in a 20 rupee Sri Lankan postal stamp.〔http://www.birdtheme.org/country/srilanka.html〕 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Green-billed coucal」の詳細全文を読む スポンサード リンク
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