How come New Zealand does not have any snakes?

Well not only snakes, but NZ was free from most predators, mammals too (other than a type of bat). Actually, there were only birds, frogs and lizards at some point. read more

New Zealand is completely snake free - outside of a couple of snakes kept in Zoo's in the main centres. I believe (and this is off the top of my head) that there's a couple of reasons why. Firstly New Zealand is geographically isolated from every other country in the world. read more

New Zealand does not have any land snakes, but it is visited on occasion by the yellow-bellied sea snake (Pelamis platurus) and the banded sea krait (Laticauda colubrina). These snakes live in salt water and swim long distances to the shores of New Zealand from place, like the islands of the South Pacific, New Guinea, Australia and Southeast Asia. read more