USA Snakes in the grass: Is the Burmese Python wiping out Everglades mammals?

Burmese Python pets that escaped or were released have proliferated in the Everglades. A recent study suggests they are behind the sharp drop in the population of raccoons and other mammals. 

Alan Diaz/AP

Scientists believe they may be recording the first significant impact of the explosive spread of Burmese Pythons in South Florida’s Everglades National Park.