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Arabian partridge : ウィキペディア英語版 | Arabian partridge
The Arabian partridge (''Alectoris melanocephala'') is a species of bird in the family Phasianidae, native to the southern Arabian peninsula. Two subspecies are recognised, ''A. m. melanocephala'' and ''A. m. guichardi''. It sometimes hybridises with Philby's partridge (''Alectoris philbyi'') and with the rock partridge (''Alectoris graeca'').〔(【引用サイトリンク】title=Arabian Partridge (''Alectoris melanocephala'') (Rüppell, 1835) )〕 ==Description== Larger than other members of its genus, ''Alectoris'', the Arabian partridge reaches a length of about . The sexes are similar in appearance but males are a little larger than females weighing on average against the female's . The crown and nape are black and there is a broad white band above the eye, separated from the white chin and upper throat by a narrow black line. This starts at the corner of the beak, passes below the eye and forms a "V" shape on the neck. The sides of the neck are pale brown and the body, wings and tail are bluish-grey with much dark barring on the flanks. The legs and beak are pink. Males have a knob on the tarsus (lower leg).
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