| 翻訳と辞書 |
Horseshoe bat
Horseshoe bats make up the bat family Rhinolophidae. In addition to the single living genus, ''Rhinolophus'', one extinct genus, ''Palaeonycteris'', has been recognized. The closely related Hipposideridae are sometimes included within the horseshoe bats as a subfamily, Hipposiderinae. Both families are classified in the suborder Yinpterochiroptera or Pteropodiformes and were previously included in Microchiroptera.
==Appearance==
All horseshoe bats have leaf-like, horseshoe-shaped protuberances on their noses. In the related Hipposideridae, these protuberances are leaf- or spear-like. They emit echolocation calls through these structures, which may serve to focus the sound. Their hind limbs are not well developed, so they cannot walk on all fours; conversely, their wings are broad, making their flight particularly agile. Most rhinolophids are dull brown or reddish-brown in color. They vary in size from 2.5 to 14 cm in head-body length, and 4.0 to 120 g in weight.〔Macdonald, D. 1984. The Encyclopedia of Mammals. New York: Facts on File, 805 pp. ISBN 0-87196-871-1〕 Their dental formula is .
The females have a pair of mammary glands and two "false nipples" above and to the side of the genital opening, to which newborn bats cling for a few days after birth.
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「Horseshoe bat」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.
|
|