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

The genome of a once-endangered songbird shows extensive signs of inbreeding, according to a new study by Penn State ...

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.

A small warbler. Yellow face with black eye line, yellow patch below eye, yellow underparts, black streaks on sides, olive green back with chestnut streaks, two white or yellowish wing bars. Nest is a ...

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.

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

This rather yellowish green warbler, named for its least conspicuous character, forages lower than many species. It lays 4 to 5 eggs (March–May in west, June in east) in its nest on or near the ...

As a result, coastal black-throated green warbler populations have plummeted by 90% over the past century. Only seven small, isolated populations remain across its entire three-state range. Warblers ...