King Cobra is the only snake that makes its own nest. Why does it make its nest ?
1. It is a snake-eater and the nest helps attract other snakes
2. It is a viviparous snake and needs a nest to give birth to its offspring
3. It is an oviparous snake and lays its eggs in the nest and guards the nest until they are hatched
4. It is a large, cold blooded animal, and needs a nest to hibernate in the cold season