Amphibian Extinction

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Why are one third of amphibian species threatened by extinction? Hosted by CBC news anchor Kelly Crowe, this program summarizes the major reasons for the near-disappearance of hundreds of types of frogs, toads, and salamanders across the world. Dr. David Green, professor of biology at McGill University, and Toronto Zoo curator Bob Johnson explain one cause for the mass destruction of frogs-the chytrid fungus, which infects their skin, eventually causing death-while St. Louis Zoo staff members explain how habitat loss threatens numerous types of toads and salamanders. To combat these issues, many zoos and aquariums worldwide are participating in a mass-rescue project called Amphibian Ark.