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

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 ...

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

Kirtland's warblers have also been known as jack pine warblers, as their breeding habitat is limited to young jack-pine forests in Michigan. The species nearly went extinct in the 1970s due to ...

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

Many warbler species glean insects from treetops and dense foliage, so they arent interested in an exposed feeder. Which ...

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 ...

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 ...