A general term for small rodent mammals of the Sciuridae family, which resemble mice but generally have long limbs and tails with long hairs on their tails. They are found all over the world except Australia, New Zealand, Madagascar, southern South America, and Antarctica, and there are about 50 genera and 250 species. They are divided into the diurnal Sciurinae subfamily and the nocturnal Petauristinae subfamily. The smallest is the African pygmy squirrel Myosciurus pumilio (English name: African pygmy squirrel) of Central Africa, which has a body length of 6-7.5 cm, a tail length of 5-6 cm, and a weight of about 16.5 g. The largest is the marmot (English name: Marmot) found in the Northern Hemisphere, which can reach a body length of 60 cm, a tail length of 25 cm, and a weight of 7.5 kg. Source: Heibonsha World Encyclopedia, 2nd Edition Information |
ネズミに似るが一般に四肢と尾が長く,尾に長毛が房状に生えた,齧歯(げつし)目リス科Sciuridaeの小哺乳類の総称。オーストラリア,ニュージーランド,マダガスカル,南アメリカ南部,南極を除く世界中に広く分布し,およそ50属250種があり,昼行性のリス亜科Sciurinaeと夜行性のムササビ亜科Petauristinaeに大別される。最小のものは中央アフリカのアフリカコリス(アフリカコビトリス)Myosciurus pumilio(英名African pygmy squirrel)で,体長6~7.5cm,尾長5~6cm,体重16.5gほどであり,最大は北半球に分布するマーモットMarmota(英名marmot)類で,体長60cm,尾長25cm,体重7.5kgに達するものがある。
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