The twin-barred tree snake is a species of snake found in Southeast Asia. It is also called the banded flying snake. It can glide, as with all species of its genus Chrysopelea, by stretching the body into a flattened strip using its ribs. Wikipedia
Rarely seen, mostly found in Forest, the Twin-barred Tree Snake is able to glide from tree to tree by flattening its body into an aerofoil-like surface and flinging itself from tall trees.
It’s Native to Singapore
Scientific name: Chrysopelea pelias
It is a mildly venomous back-fanged species.