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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 Polkadot poison frog ： ウィキペディア英語版 Polkadot poison frog The polkadot poison frog (''Oophaga arborea'') is a species of frog in the family Dendrobatidae endemic to Panama, where it is known as rana venenosa in Spanish. Its natural habitats are humid lowland and montane forests. It is threatened by habitat loss and is listed by the IUCN as being "endangered".〔 ==Description== The snout-to-vent length of the polkadot poison frog is . The hind limbs are short and the forelimbs relatively long with large hands. The fingers are unwebbed, the second one being longer than the first, and all but the first finger have flat discs of thickened skin. This frog has brown eyes and no teeth in its upper jaw. Males have a small vocal sac on the throat, and when not in use, this hangs in folds. The skin on the belly and inside the thighs is coarsely wrinkled. This frog is black or some shade of brown with roundish yellow spots, which often have a raised surface. The call made by the male is similar to that of closely related species but can be distinguished by its pitch, duration and the length of time between successive calls. 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「Polkadot poison frog」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.