After years of failed attempts, a cohort of Oregon Zoo-reared northern leopard frogs has finally survived through the winter at the Columbia National Wildlife Refuge in eastern Washington. “We’ve ...
The Phoenix Zoo recently released 1,000 tadpoles into the Tonto National Forest, part of a program to save the threatened Chiricahua leopard frog. The zoo collects eggs every year, and those eggs ...
One of Alberta's most at-risk amphibians is making a comeback. Provincial efforts to help northern leopard frog numbers bounce back have been successful in establishing new self-sustaining populations ...
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