Photo: #A tree frog sits on a branch in Owings, Maryland. The state of Maryland is home to several species of frogs each of which have their own distinct call or sound that they produce.
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A tree frog sits on a branch in Owings, Maryland. The state of Maryland is home to several species of frogs each of which have their own distinct call or sound that they produce. (Photo by Mark Wilson/Getty Images)

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The mystery of the disappearing frogs

Broadcast: Midmorning, 03/30/2007, 10:00 a.m.

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Scientists estimate that up to one half of the frog species are under threat of extinction. Midmorning discusses the response of the conservation community.

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  • Kevin Zippel: Program officer for Amphibian Ark. He was the former curator of the National Amphibian Conservation Center at the Detroit Zoological Institute.

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