Hybridization is commonly observed between a number of warbler species and, while this does not make it easier to identify different species in the field, it opens up many opportunities to study the ...

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

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

Even casual birders get excited during warbler migration season! Try these tips to identify the most warblers this spring.

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

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 ...

Although variable, all yellow-rumped warblers possess a bright yellow rump, which is shared with only 2 other species. The yellow-rumped’s unique ability to digest the waxes in bayberries allows ...

Kirtland's warblers were classified as endangered under the Endangered Species Act of 1973. Thanks to intensive, targeted management over several decades, Kirtland's warbler populations have ...

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