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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Southern ground hornbill ： ウィキペディア英語版 Southern ground hornbill The southern ground hornbill (''Bucorvus leadbeateri''; formerly known as ''Bucorvus cafer''), is one of two species of ground hornbill and is the largest species of hornbill. The other species of the genus ''Bucorvus'' is the Abyssinian ground hornbill, ''B. abyssinicus''. ==Description== This is a large bird, at long. Females weigh , while the larger males weigh .〔(Hornbills: Bucerotidae – Southern Ground Hornbill (bucorvus Leadbeateri): Species Accounts – Eat, Skin, Days, and Birds – JRank Articles ). Animals.jrank.org. Retrieved on 2012-08-24.〕 Among standard measurements, the wing chord has been measured from , the tail from , the tarsus from and the culmen from .〔(Biodiversity Monitoring Systems ). (PDF) . Retrieved on 2012-08-24.〕 Per Stevenson and Fanshawe, the Abyssinian ground hornbill is the larger species on average, at , than the southern species, at , but published weights and standard measurements contrarily indicate the southern species is indeed slightly larger.〔''Field Guide to the Birds of East Africa: Kenya, Tanzania, Uganda, Rwanda, Burundi'' by Stevenson & Fanshawe. Elsevier Science (2001), ISBN 978-0856610790〕〔(Abyssinian Ground Hornbill | Twycross Zoo | World Primate Centre ). Twycross Zoo. Retrieved on 2012-08-24.〕〔(San Diego Zoo's Animal Bytes: Hornbill ). Sandiegozoo.org. Retrieved on 2012-08-24.〕 The southern ground hornbill is characterized by black coloration and vivid red patches of bare skin on the face and throat (yellow in juvenile birds), which are generally believed to keep dust out of the birds eyes while they forage during the dry season. The white tips of the wings (primary feathers) seen in flight are another diagnostic characteristic. The beak is black and straight and presents a casque, more developed in males. Female southern ground hornbills are smaller and have violet-blue skin on their throats. Juveniles to six years old lack the prominent red pouch, but have a duller patch of grey in its place. 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「Southern ground hornbill」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.