In their native range, they prey on small mammals, reptiles and bird eggs. However, in Guam, they've decimated the island's bird species, including many of Guam's native forest birds. Brown tree ...

Recently classified as a subspecies of the Guam Reed-warbler, it is said to become extinct in the 1960s due to the introduction of non-native plants, animals, and habitat degradation in Guam.

But in Guam, with no predators and an abundance of naive prey, its population exploded. The snake caused the extinction of most of the island’s native breeding birds. Guam’s forests fell ...

One of the key reasons brown tree snakes have become such a major problem is their diet. In their native range, they prey on small mammals, reptiles and bird eggs. However, in Guam, they've decimated ...

Siheks once flourished on the North Pacific island of Guam but the accidental introduction of the brown tree snake to the island in the 1940s wiped out many native birds, bats and lizards ...