| 翻訳と辞書 |
Four-horned antelope
The four-horned antelope (''Tetracerus quadricornis''), or chousingha, is a species of small antelope found in open forest in India and Nepal. It is the only species currently classified in the genus ''Tetracerus''. Standing only at the shoulder, it is the smallest of Asian bovids. Males of the species are unique among extant mammals in that they possess four permanent horns. The species is listed as Vulnerable by the IUCN due to habitat loss.
==Description==
The four-horned antelope is among the smallest Asian bovids, standing just tall at the shoulder, and weighing . It has a generally slender build, with thin legs and a short tail. The coat is yellow-brown or reddish, fading to a whitish colour on the underparts and the insides of the legs. A black stripe of hair runs down the anterior surface of each leg, with black patches on the muzzle and the backs of the ears. Females have four teats, located far back on the abdomen.
The most distinctive feature of the animal is the presence of four horns; a feature unique among extant mammals. Only the males grow horns, usually with two between the ears and a second pair further forward on the forehead. The first pair of horns appears at just a few months of age, and the second pair generally grows after 10 to 14 months. The horns are never shed, although they may be damaged during fights. Not all adult males have horns; in some individuals, especially those belonging to the subspecies ''T. q. subquadricornis'', the forward pair of horns is absent or represented only by small, hairless bumps. The hind pair of horns reaches in length, while the forward pair is usually smaller, at just .〔
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「Four-horned antelope」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.
|
|