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A brown tree snake near a snake trap hanging from a fence on Guam. Believed to be a stowaway on a U.S. military transport after the end of World War II, the brown tree snake (Boiga irregularis) was accidentally introduced to Guam, which previously had no native species of snake. It nearly eliminated the native bird population.
The endemic birds of Guam, the southernmost Mariana island, were severely affected by the introduction of the brown tree snake after World War II. It has been reported that 11 of Guam's 14 terrestrial birds have become extinct or extirpated from Guam. [15]
The brown tree snake is a nocturnal and arboreal species that uses both visual and chemical cues when hunting, either in the rainforest canopy or on the ground. [3] It is a member of the subfamily Colubrinae, genus Boiga, which is a group of roughly twenty-five species that are referred to as "cat-eyed" snakes for their vertical pupils. [4]
Brown tree snake: Boiga irregularis: Guam: Dog-sniffing of incoming ships, paracetamol as poison: Has reached densities on Guam of up to 100 snakes per hectare, caused extinction on Guam of at least 12 bird species. Burmese python: Python bivittatus: Everglades: Hunting season created: Introduced by hurricane damage to breeding facilities ...
Guam has experienced severe effects of invasive species upon the natural biodiversity of the island. These include the local extinction of endemic bird species after the introduction of the brown tree snake, an infestation of the coconut rhinoceros beetle destroying coconut palms, and the effect of introduced feral mammals and amphibians.
The snake catcher humanely contained the snake and removed it from Faber's home. During the removal, the reptile expert noticed the snake had sustained multiple wounds, which appeared to be cat bites.
The brown snake, which experts call the dekay from its latin name Storeria dekayi, is “the most victimized snake in our area,” Chavis said. ... How to avoid snake problems.
The brown tree snake has had an impact on the native bird population of the island ecosystem of Guam. Island ecosystems may be more prone to invasion because their species face few strong competitors and predators, and because their distance from colonizing species populations makes them more likely to have "open" niches. [25]