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Biologist Malcolm Sproul explains how rare amphibians like the TIGER SALAMANDER and the RED-LEGGED FROG can survive on the dry east side of the Diablo Range.
By Joan Hamilton: writer, producer5
77 ratings
Biologist Malcolm Sproul explains how rare amphibians like the TIGER SALAMANDER and the RED-LEGGED FROG can survive on the dry east side of the Diablo Range.