The Green Vine Snake (Ahaetulla nasuta) relies on its colour to camouflage itself from prey and predator. Common at Agumbe, they are often seen waiting patiently for prey to come along. They have been known to feed on other snakes and small birds too. They are mildly venomous to humans.
When agitated, however, the snake reveals a lot more colors. It breaks into a checkerboard pattern and opens its mouth wide trying to scare away the intruder. When the threat passes by, they swiftly move through the branches to a more secure location.