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Nature 410, 639-640 (5 April 2001) | doi:10.1038/35070683

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Climate and amphibian declines

J. Alan Pounds

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Various reasons have been proposed for the falling numbers of amphibians in many parts of the world. Changing climate is likely to be a key factor — but with complicated links to the immediate causes of these population declines.

The shallow lakes and ponds of western North America provide plenty of sites where western toads (Bufo boreas) can lay their strings of eggs. But all is not well with these amphibians.