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Home > Snakes > Brown Tree Snake

Brown Tree Snake

Brown tree snake is a species of colubrid snake found in Australia, Indonesia, Papua New Guinea, and Melanesia. The snake has been introduced in Guam. The species is rear-fanged, arboreal, and nocturnal.



    Kingdom Animalia
    Phylum Chordata
    Class Reptilia
    Order Squamata
    Suborder Serpentes
    Family Colubridae
    Genus Boiga
    Scientific Name Boiga irregularis


    Other Names Night Tiger, Dolls Eye Snake, Eastern Brown Tree Snake
    Length 1 to 2 m; largest recorded specimen measures 3 m
    Weight Up to around 2.3 kg
    Color Brownish yellow to white background color with dark patterns or blue or red bands
    Distribution Eastern and northern coastal Australia, eastern Indonesia, Papua New Guinea, numerous islands in northwestern Melanesia (native range); Guam (introduced species)
    Habitat Forested as well as grasslands and sparsely forested areas
    Diet Birds, lizards, rats, bats, other small rodents
    Hibernation Fact May hibernate
    Predators Feral pigs, monitor lizards
    Venom Fact Weak neurotoxic, may be cytotoxic
    Breeding Season Year round
    Mode of Reproduction Oviparous (egg laying)
    Clutch Size 4 to 12 eggs
    Incubation Period Around 3 months
    Reproductive Age Around 3 years of age
    Average Lifespan 10 to 15 years

    Brown Tree Snake Pictures Gallery

    Published on November 30th 2016 by under Snakes. Article was last reviewed on 4th May 2017.

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