rent status4.2 Species status and effect4.2.1 Effect of early introduction4.3 Population control methods4.3.1 Predation on brown tree snakes4.3.2 Capturing and poisoning methods5 References6 External linksDiet[edit]The brown tree snake preys upon birds, lizards, bats, and rats and other small rodents in its native range.[2] It preys on birds and shrews in Guam.[3]Due to the availability of prey an