A spring peeper at Corey Marsh last fall. Spring nights come alive at a Laingsburg nature center as temperatures warm. That means frogs are waking up, and their chirps and croaks are reverberating ...
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 ...
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