11. Thus, Hawaii's ecology could be severely altered if brown tree snakes became established. 12. As to the brown tree snake , why should anyone care if a snake gets into Hawaii? 13. Before the introduction of the brown tree snake , Guam was home to several endemic bird species. 14. When resting they often are to be found in trees hence the name " tree snake ". 15. The brown tree snake is the paragon of an invasive species that has caused severe problems on Guam. 16. In 2013, it is estimated to be more than two million brown tree snakes on the island. 17. In Guam, the introduced brown tree snake ate nearly all of the native vertebrate species to extinction. 18. However, " Chrysopelea pelias " is not nearly as common as the paradise tree snake . 19. So he videotaped paradise tree snakes at Singapore's zoo, marking their heads, midpoints and vents. 20. What links the 1840s Irish potato famine to the brown tree snake and the harmless-sounding strawberry guava?
