They also feed on water snakes, frogs and large insects.
It chows down on frogs, birds, small mammals and other fish.
It feeds mainly on frogs, but will take lizards as well.
It is found in rice fields and feeds on frogs.
It preys mostly on small mammals, frogs and other snakes.
Both points can be illustrated by studies on frogs.
In the 1992 study, however, researchers focused entirely on frogs and toads.
They prey on fish and frogs which live in the lake.
This species feeds predominantly on small mammals, frogs, and even other snakes.
It is very similar to the technique used on frogs in laboratories called pithing.