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A mamba may retain the same lair for years. Resembling a cobra, the threat display of a mamba includes rearing, opening the mouth and hissing. The black mamba's mouth is black within, which renders the threat more conspicuous. A rearing mamba has a narrower yet longer hood and tends to lean well forward, instead of standing erect as a cobra does.
Date: 15 October 2020: Source: Own work.Vectorization of File:D-angusticeps-range.png by Casliber, in turn based on (2018). "The medical threat of mamba envenoming in sub-Saharan Africa revealed by genus-wide analysis of venom composition, toxicity and antivenomics profiling of available antivenoms".
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Eastern green mamba - Dendroaspis angusticeps - Museum of Natural History - Eastern green mamba P9240107: Date: September 2006 ; 24 September 2006 (according to Exif data) Source: Own work: Author: Picture taken by deror avi on 24th September 2006.
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The black mamba (Dendroaspis polylepis) is a species of highly venomous snake belonging to the family Elapidae.It is native to parts of sub-Saharan Africa.First formally described by Albert Günther in 1864, it is the second-longest venomous snake after the king cobra; mature specimens generally exceed 2 m (6 ft 7 in) and commonly grow to 3 m (9.8 ft).
A 2016 genetic analysis showed the eastern green and black mambas are each others' closest relatives, [13] their common ancestor diverging from a lineage that gave rise to Jameson's mamba (Dendroaspis jamesoni) and the western green mamba (Dendroaspis viridis), as shown in the cladogram below.
Jameson's mamba (Dendroaspis jamesoni) is a species of highly venomous snake in the family Elapidae.The species is native to equatorial Africa.A member of the mamba genus, Dendroaspis, it is slender with dull green upper parts and cream underparts and generally ranges from 1.5 to 2.2 m (4.9 to 7.2 ft) in total length.