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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 Western green mamba ： ウィキペディア英語版 Western green mamba The western green mamba (''Dendroaspis viridis''), also known as the West African green mamba or Hallowell's green mamba, is a long, thin, and highly venomous snake of the mamba genus, ''Dendroaspis''. This species was first described in 1844 by the American herpetologist Edward Hallowell. The western green mamba is a fairly large and predominantly arboreal species, capable of navigating through trees swiftly and gracefully. It will also descend to ground level to pursue prey such as rodents and other small mammals. The western green mamba is a very alert, nervous, and extremely agile snake that lives mainly in the coastal tropical rainforest, thicket, and woodland regions of western Africa. Like all the other mambas, the western green mamba is a highly venomous elapid species. Its venom is a highly potent mixture of rapid-acting presynaptic and postsynaptic neurotoxins (dendrotoxins), cardiotoxins and fasciculins. Some consider this species to not be a particularly aggressive snake, but others have suggested that they are extremely nervous and are prone to attack aggressively when cornered. Conflict with humans is low compared to some other species found in the region. Bites to people by this species are quite uncommon. Their mortality rate, however, is high; many of the recorded bites have been fatal. Rapid progression of severe, life-threatening symptoms are hallmarks of mamba bites. Bites with envenomation can be rapidly fatal. Case reports of rapidly fatal outcomes, in as little as 30 minutes, have been recorded for this species. ==Etymology== ''Dendroaspis viridis'' was first described by the American herpetologist and physician Edward Hallowell in 1844.〔 The generic name, ''Dendroaspis'', is derived from Ancient Greek – ''Dendro'', which means "tree", and ''aspis'' (ασπίς) or "asp", which' is understood to mean "shield", but it also denotes "cobra" or simply "snake". In old texts, ''aspis'' or asp was used to refer to ''Naja haje'' (in reference to the hood, like a shield). Thus, ''"Dendroaspis"'' literally means ''tree snake'', which refers to the arboreal nature of most of the species within the genus. Schlegel used the name ''Dendroaspis'', which he described as meaning ''tree cobra''. The specific name ''viridis'' is of Latin origin and means "green". In addition to being called the western green mamba, this species is also commonly known as the West African green mamba or Hallowell's green mamba. 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「Western green mamba」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.