The world's longest snake, the king cobra, has been identified as four species – not just one. The venomous snakes can grow up to a staggering 5.6 metres in length.

The deadly king cobra is the longest of all venomous snakes and easily claims the title of "king": this powerful reptile ...

the first cobra that forces the opponent's head to the ground is declared the winner. The king cobra, known as the longest venomous snake, has an average lifespan of 20 to 25 years in the wild.

King cobra: Adult king cobras are 3.18 to 4 m (10.4 to 13.1 ft) long. The longest known individual measured 5.85 m (19.2 ft) and weigh up to 10 kg. Komodo dragon: It is the largest extant species ...