Invasive Species General - 3 of 6
Invasive Species General FAQs - 6 Found
Free-ranging snakes representing dozens of species from around the world are discovered in the United States in any given year, usually as a result of escapees or releases from the pet trade, but most of these don't appear to have established a reproductive population. Any animal can be problematic when released in places where it is not native. The safest policy is to find an appropriate home for any animal that is no longer wanted. Disposal in the wild can do great environmental harm. For example, the brown tree snake was introduced to the American island of Guam shortly after World War II; it has decimated the native birds, mammals and lizards of Guam, such that only a few small species remain. Fifty years after the snake was introduced, Guam had lost 10 of its 12 native forest birds, most of its bats, and about half of its native lizards. The python introduction to Florida is so recent that the tally of victims cannot yet be made. Similarly, it is too early to determine if the three water snake species introduced into California (including one species from Florida) will result in any extinctions.