USGS Frequently Asked Questions
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Question:
Are there any worldwide patterns of amphibian declines?
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Answer: The worldwide pattern of amphibian declines includes both loss of populations from parts of species' ranges--the pattern seen in Australia and Central American tropics with stream frogs--and declines of entire species, such as ranid frogs in California and the Southwest, and the "poster frogs" for amphibian declines, the golden toad in Costa Rica and an Australian frog that broods its young in its stomach.
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Source of this FAQ:
http://www.usgs.gov/amphibian_faq.html
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U.S. Department of the Interior |
U.S. Geological Survey