Biologist sounds battle cry against unwelcome amphibian

A conservation biologist is urging an all-out assault on the American bullfrog in British Columbia this spring, saying the amphibians are a threat to aquatic ecosystems.
Stan Orchard says the bullfrog has a varied diet. Snakes, turtles and birds have been prey. Even cats aren’t safe from the invaders, which can grow to the size of a dinner plate.
CBC News: Biologist sounds battle cry against unwelcome amphibian