Completar frases ReptilesVersión en línea Reptiles por andrea castro pardo 1 southern black venomous reasons mambas legendary eastern snake Black are fast , nervous , lethally , and when threatened , highly aggressive . They have been blamed for numerous human deaths , and African myths exaggerate their capabilities to proportions . For these , the mamba is widely considered the world's deadliest . Black mambas live in the savannas and rocky hills of and Africa .
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