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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 captive juvenile king cobra in its defensive posture. The female is gravid for 50 to 59 days. [18] The king cobra is the only snake that builds a nest using dry leaf litter, starting from late March to late May. [42] Most nests are located at the base of trees, are up to 55 cm (22 in) high in the centre and 140 cm (55 in) wide at the base.
Lachesis muta is the third longest venomous snake in the world, exceeded in length only by the king cobra and the black mamba. Weight in this species is estimated at an average of 3 to 5 kg (6.6 to 11.0 lb), somewhat less than the heaviest rattlesnakes (like the eastern diamondback rattlesnake ) or Bitis vipers (such as the Gaboon viper and ...
The longest venomous snake is the king cobra (Ophiophagus hannah), with lengths (recorded in captivity) of up to 5.7 m (19 ft) and a weight of up to 12.7 kg (28 lb). [53] It is also the largest elapid. The second-longest venomous snake in the world is possibly the African black mamba (Dendroaspis polylepis), which
Acute kidney injury has been reported in a few cases of black mamba bites in humans as well as in animal models. [17] Death is due to suffocation resulting from paralysis of the respiratory muscles. [17] [42] Untreated black mamba bites have a mortality rate of 100%. [17] [43] Antivenom therapy is the mainstay of treatment for black mamba ...
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. Stories of black mambas that chase and attack humans are common, but in fact the snakes generally avoid contact with humans. [5]
The forest cobra is Africa's largest cobra of the genus Naja [8] and possibly the largest of all the true cobra (Naja) species in the world. [7] [19] The length of an average adult is 1.4 to 2.2 m (4.6 to 7.2 ft), and they regularly attain lengths of 2.7 m (8.9 ft), [8] [20] and lengths up to 3.2 m (10 ft) have been recorded in the wild.
The black-necked spitting cobra (Naja nigricollis) is a species of spitting cobra found mostly in sub-Saharan Africa. They are moderately sized snakes that can grow to a length of 1.2 to 2.2 m (3.9 to 7.2 ft) in length. Their coloration and markings can vary considerably. They prey primarily on small rodents.