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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 Silverstone's poison frog ： ウィキペディア英語版 Silverstone's poison frog Silverstone's poison frog (''Ameerega silverstonei'';〔Grant, T. et al., (2006). ''(Phylogenetic systematics of dart-poison frogs and their relatives (Amphibia: Athesphatanura: Dendrobatidae) )'' (PDF). Bulletin of the American Museum of Natural History, 299, 1–262〕 formerly ''Epipedobates silverstonei'') is a species of frog in the Dendrobatidae family endemic to Peru. Its natural habitats are subtropical or tropical moist lowland forests and rivers. It is threatened by habitat loss for agriculture and drug crops, and is exported in the illegal pet trade. ==Description== Silverstone's poison frog is a large Dendrobatid frog with males growing to a snout-to-vent length of about and females to . The head has a rounded sloping snout and is as wide as the body. Males have a small vocal sac in the throat. The skin of the head, fore limbs and underparts is smooth while that of the dorsal surface and hind limbs is granular. The fingers are flattened and have expanded discs at their tips. There is no webbing between the digits of either hands or feet. The head and back of this frog is orange-red, sometimes with black spots or mottling, especially towards the rear. The hind limbs are largely black and the forelimbs and underparts vary in colour, sometimes being black and sometimes orange. The palms of the hands and feet and the underside of the digits are grey or orange. 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「Silverstone's 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.