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New World quail : ウィキペディア英語版 | New World quail
The New World quails or Odontophoridae are small birds only distantly related to the Old World quail, but named for their similar appearance and habits. The American species are in their own family Odontophoridae, whereas Old World quail are in the pheasant family Phasianidae. The family ranges from Canada through to southern Brazil, and two species, the California quail and the bobwhite quail, have been successfully introduced to New Zealand. A variety of habitats are used by the family from tropical rainforest to deserts, although few species are capable of surviving at very low temperatures. Thirty-two species are placed in nine genera. ==Description== New World quail are generally short-winged, -necked and -tailed (although the genus ''Dendrortyx'' is long-tailed). The bills are short, slightly curved and serrated. The legs are short and powerful, and lack the spurs of many Old World galliforms. Although they are capable of short bursts of strong flight New World quails prefer to walk, and will run from danger (or hide), taking off explosively only as a last resort. Plumage varies from dull to spectacular, and many species have ornamental crests or plumes on the head. There is moderate sexual dichromisim in plumage, with males having brighter plumage.
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