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单词 True frog
释义

True frog

中文百科

蛙科

Esqueleto de rana.

蛙科Ranidae)是多种分布于世界各地的蛙类,除南极洲及澳洲外,其他洲都数量众多。

蛙科具有平滑、潮湿的皮肤,肢大而且有力,后足趾间蹼发达。腰部纤细。骨质胸骨。水平瞳孔,日行性动物。蛙科体型相差很大,从个头很小的林蛙(Rana sylvatica)到世界上最大的蛙巨谐蛙(Conraua goliath)。

蛙科很多种类生活在水中,或靠近水的地方。多数种类将卵产在水中,经历蝌蚪阶段。

英语百科

True frog 蛙科

Unidentified Nyctibatrachus from Phanasad Wildlife Sanctuary, Maharashtra: a member of an ancient lineage of true frogs
Ishikawa's frog (Odorrana ishikawae), formerly placed in Rana which now contains a closely related branch
Bicolored frog (Clinotarsus curtipes), related to Meristogenys and Huia proper, was also formerly in Rana, but is well distinct

The true frogs, family Ranidae, have the widest distribution of any frog family. They are abundant throughout most of the world, occurring on all continents except Antarctica. The true frogs are present in North America, northern South America, Europe, Asia, Madagascar, Africa, and from the East Indies to New Guinea; the species native to Australiathe Australian wood frog (Hylarana daemelii)is restricted to the far north.

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更新时间:2025/6/17 13:08:05