The 3 longest venomous snakes in the world, King cobra, Black mamba, South American bushmaster 

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Venomous snakes live on every continent except Antarctica. Some species are truly impressive when fully grown. But, what are the 3 LONGEST VENOMOUS SNAKES IN THE WORLD? Africa, Asia and Australia have large elapids, like the Forest cobra (Naja subfulva), the Black--necked spitting cobra (Naja nigricollis), Banded krait (Bungarus fasciatus), Spectacled cobra (Naja naja), Mulga snake (Pseudechis australis) or the Coastal taipan (Oxyuranus scutellatus). North America and Africa have massive vipers, like the Eastern diamondback rattlesnake (Crotalus adamanteus) and the West African gaboon viper (Bitis rhinoceros). The longest vipers in the world are bushmasters, like the Central American bushmaster (Lachesis stenophrys). This species lacks 5 cm to belong to the 3 longest venomous snakes in the world. In this video you will see beautiful nature history footage of all 3 longest venomous snakes in the world. We will visit South America to observe the South American bushmaster (Lachesis muta), then Africa to observe the Black mamba (Dendroaspis polylepis) and finally we will move to Asia to meet the King cobra (Ophiophagus hannah).
THE 3 LONGEST VENOMOUS SNAKES IN THE WORLD:
3. South American bushmaster (Lachesis muta) - max. length 3.65 m
2. Black mamba (Dendroaspis polylepis) - max. length probably 4.3 m
1. King cobra (Ophiophagus hannah) - max. length 5.5 m