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 ...
A Pacific tree frog (Pseudacris regilla) male calls at Washington state's Conboy Lake National Wildlife Refuge. Cyril Ruoso, Nature Picture Library When ice and snow begin to melt in California's high ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results