Another pavilion contains terrarium containing mambas, spitting cobras, puff adders and other venomous Kenyan snakes. In Africa, it is mambas, Egyptian cobras, puff adders, and carpet vipers. Cobras, mambas, and taipans are mid- to large sized snakes which can reach or above. In Africa, the most dangerous species include black mambas, puff adders, and carpet vipers. Mambas and cobras are in the same family&colon; the Elapidae. Hornbills and other snakes prey on juvenile green mambas. The three species of Black mambas are arboreal, whereas the black mamba is largely terrestrial. Like all the other mambas, the western green mamba is a highly venomous elapid species. Black mambas have also been found amongst the stomach contents of Nile crocodiles. Adult black mambas have few natural predators. Over this period, 5 of 38 people bitten by black mambas and given antivenom died. Before antivenom was available, envenomations by mambas carried a high fatality rate. Adult mambas have few natural predators aside from birds of prey. Juvenile black mambas are very apprehensive and can be deadly like the adults. In the wild, black mambas seldom tolerate humans approaching more closely than about .