The brown tree snake (Boiga irregularis), also known as the brown catsnake, is an arboreal rear-fanged colubrid snake native to eastern and northern coastal Australia, eastern Indonesia (Sulawesi to Papua), Papua New Guinea, and many islands in northwestern Melanesia. The snake is slender, in order to facilitate climbing, and can reach up to 2 ...

The American bullfrog and brown tree snake have collectively caused $16.3bn in global damage since 1986. In addition to ecological harm, the invasive pair have ruined farm crops and triggered costly power outages.

Brown tree snake, a slender, mildly venomous, primarily arboreal snake. It is considered to be one of the most aggressive invasive species in the world. The species is also known for its ability to decimate populations of small vertebrates in the habitats it colonizes.

Mar 10, 2025 · The brown tree snake ( Boiga irregularis) affects people through a complex web of ecological and economic consequences, most dramatically observed on the island of Guam. While mildly venomous bites pose a threat, particularly to children, the broader impact stems from the snake’s disruption of ecosystems, causing avian extinctions , frequent ...

The Brown tree snake (Boiga irregularis) is an arboreal rear-fanged colubrid snake native to Oceania. This snake is infamous for being an invasive species responsible for extirpating the majority of the native bird population in Guam .

What is the brown treesnake? The Brown Treesnake is native to parts of Indonesia, the Solomon Islands, New Guinea, and Australia. The snake was first sighted on the island of Guam in the 1950s, probably after stowing away on cargo ships coming from New Guinea.

May 16, 2024 · Brown tree snakes (Boiga irregularis) are most commonly found in the forests of northern Australia, including Queensland and Northern Territory, and are the only Boiga catsnake to inhabit Australia. Their other natural territories include New Guinea, Sulawesi, and several small Melanesian islands.

Mar 14, 2024 · The brown treesnake has caused extensive economic and ecological damage to Guam. It is responsible for numerous power outages across the island each year. The brown treesnake may be attracted to residential areas by an abundance of rodents, lizards, poultry, or debris that serves as habitat for snake prey.

Oct 31, 2024 · The brown tree snake is a slender, medium-sized snake that typically grows between 3 and 6 feet (0.9 to 1.8 meters) long, though some individuals can reach lengths of up to 10 feet (3 meters). Their skin is usually a reddish-brown to yellowish-brown color, with darker crossbands running along their bodies. This coloring helps them blend in with ...

Brown treesnakes are responsible for the extinction or local extirpation of nine of the 12 native forest birds, two of 11 native lizards on Guam, and have contributed to the decline of native fruit bats. The presence of the brown treesnake is a documented economic and human health hazard on the island of Guam.