Common backyard birds, such as cardinals and goldfinches, love to dine on seeds. But what do warblers eat? These cherished ...

The genome of a once-endangered songbird shows extensive signs of inbreeding, according to a new study by Penn State researchers. Because inbreeding can negatively impact survival and reproduction, ...

Our collaborative work on warblers is primarily led by Dr. David Toews and his group at Pennsylvania State University as a part of their research on the diversification in the New World wood warblers.

Because inbreeding can negatively impact survival and reproduction, the results could guide continuing conservation efforts for Kirtland's warblers, whose populations still rely on extensive ...

These are probably the best known and most frequently encountered wood warblers. Although variable, all yellow-rumped warblers possess a bright yellow rump, which is shared with only 2 other species.

The breeding habitat of Kirtland's warblers is limited to young jack-pine forests in Michigan. The species nearly went extinct in the 1970s due to threatened habitat and nest parasitism ...

Around 90 percent of bird species are socially monogamous, but if the bond is broken without death, it is known as divorce.

Polytypic. Length 5". Compare with Tennessee warbler. In West, the yellow and Wilson’s warblers are similar to lutescens, but both show plain faces with prominent dark eyes. Common in West ...

Eurasian reed warblers (Acrocephalus scirpaceus) appear to calculate their geographical position by drawing data from different distances and angles between magnetic fields and the Earth’s shape.

The main theory, which went all the way back to Aristotle and ancient Greece, was that birds hibernated during the winter and ...