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The red-billed pigeon (''Patagioenas flavirostris'')〔 is a relatively large pigeon which breeds from southern Texas, United States, and northwestern Mexico south to Costa Rica. It belongs to a clade of ''Patagioenas'' which generally lack iridescent display plumage, except some vestiges in the pale-vented pigeon. It is found in open country with some trees, large clearings and cultivation in lowlands and middle altitudes to . It builds a rudimentary platform nest out of twigs in a tree about above the ground, usually on a horizontal branch or on a palm crown, and lays one white egg. The red-billed pigeon is mid or large-sized pigeon, at in length and a weight of .〔 It is mainly wine-purple, becoming browner on the back, and with a grey tail, lower belly and flight feathers. The bill is white with a red base, and the legs and eyes are red. Juvenile birds are duller than adults and the plumage is brown-tinged. It is normally seen alone or in pairs and rarely forms flocks. It feeds on the ground, seeking acorns, berries and buds. It is often thought to be brown it is actually a dark shade of maroon. The red-billed pigeon has a loud ''kuk c'c'coooo'' call that is given in rows; the initial short ''kuk'' is characteristic for this group of ''Patagioenas''.〔 == References == * 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「Red-billed pigeon」の詳細全文を読む スポンサード リンク
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