Wednesday 5 December 2012

Boa Constrictors Invade Puerto Rico


Scientists are urging swift action to stop the spread of boa constrictors in Puerto Rico now that new research shows the invasive species has established a breeding population on the island.

"We've learned from dealing with other invasive snakes that understanding the source of these populations and preventing spread as soon as possible is important to protect ecosystems," Bob Reed, a scientist with the U.S. Geological Survey (USGS) who was involved in the new study, said in a statement. "Once non-native snakes become established across a large area, especially in densely forested areas, they become much more difficult to find and almost impossible to eradicate."

The thick-bodied snakes, native to parts of Central and South America, can grow up to 10 feet (3 meters) long, weighing up to 75 pounds (34 kilograms); they have no natural predators in Puerto Rico to keep their numbers in check. The population represents the first breeding group of boa constrictors found in the United States outside of south Florida, where these snakes, as well as pythons, have become a serious problem.

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