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 ...
Washington wildlife managers released hundreds of endangered northern leopard frogs into Washington’s channeled scablands Tuesday evening. About a dozen of those frogs were outfitted with small radio ...
In the arid land east of Spokane — punctuated by channels and basins carved by ancient hydraulic cataclysm — Washington biologists discovered a rare and beautiful genetic mutation in late August: A ...
The frogs, identified by their black-ringed green spots, have been listed as endangered since 1999 and only one known population remains in Washington’s Columbia National Wildlife Refuge, according to ...
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