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''Ocyceros'' is a genus of birds in the family Bucerotidae. Established by Allan Octavian Hume in 1873, it contains the following species,〔 which are limited to the Indian subcontinent.〔 * Malabar grey hornbill, ''Ocyceros griseus'' * Sri Lanka grey hornbill, ''Ocyceros gingalensis'' * Indian grey hornbill, ''Ocyceros birostris'' File:Indian Grey Hornbill I IMG 9017.jpg|Indian grey hornbill, ''Ocyceros birostris'' at Roorkee in Haridwar District of Uttarakhand, India. File:Indian Grey Hornbill I2 IMG 9029.jpg|Indian grey hornbill, ''Ocyceros birostris'' at Roorkee in Haridwar District of Uttarakhand, India. File:Indian Grey Hornbill I IMG 4048.jpg|Indian grey hornbill, ''Ocyceros birostris'' at nest at Wagah Border in Lahore District of Punjab, Pakistan. File:Indian Grey Hornbill (Ocyceros birostris) in Hyderabad W IMG 8900.jpg|Indian grey hornbill, ''Ocyceros birostris'' in Hyderabad, India. File:Indian Grey Hornbill (Ocyceros birostris) in Hyderabad W IMG 8885.jpg|Indian grey hornbill, ''Ocyceros birostris'' in Hyderabad, India. ==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「Ocyceros」の詳細全文を読む スポンサード リンク
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