This undated photo provided by the New South Wales National Parks and Wildlife Service shows a pair of Yellow-spotted Bell Frogs in the Southern Tablelands of New South Wales state of Australia. The species of frog thought to have been extinct for 30 years has been discovered in rural Australian farmland, officials said Thursday, March 4, 2010. (AP Photo/New South Wales National Parks and Wildlife Service, David Hunter)

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This undated photo provided by the New South Wales National Parks and Wildlife Service shows a pair of Yellow-spotted Bell Frogs in the Southern Tablelands of New South Wales state of Australia. The species of frog thought to have been extinct for 30 years has been discovered in rural Australian farmland, officials said Thursday, March 4, 2010. (AP Photo/New South Wales National Parks and Wildlife Service, David Hunter)

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