A songbird species known as the Townsend's warbler, which lives in the damp Douglas fir forests of Western North America, has been steadily displacing its more timid sister species, the hermit warbler ...

Hermit warblers in California have developed 35 different song dialects, apparently as a result of wildfires temporarily driving them out of certain areas. That’s a bird called the hermit warbler. It ...

The male yellow warbler sports a fitting lemon-yellow body with reddish streaking on the chest. His pleasant thin song follows a musical pattern that sounds like “sweet-sweet-sweet-I’m-so-sweet.” They ...