Boiga irregularis

Image of Boiga irregularis

(Brown Tree Snake)




Boiga irregularis

Common name

Brown Tree Snake

Main colour

Brown to reddish-brown

Body size

To 2 m long


Cairns, Townsville


This snake is found in a range of habitats from mangroves to sclerophyll forests, rarely found in woodlands. Forages on the ground as well as in trees, preys on birds and mammals, although aggressive it is not considered dangerous to humans. The brown to reddish-brown body is marked with numerous irregular-edged cross bands, varying in colour. The belly is paler ranging from cream to salmon in colour. A distinctive feature is the broad almost bulbous head and the narrow neck.