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 ...

Whole-genome analysis raises concerns about the rare songbird, the authors of a recent study say, but could also help with ...

A new study used modern methods to reassess a foundational study in biology that explained how ecologically similar species of wood warblers coexist. The research team examined foraging behavior, ...

“You’re so used to the yellow crown and the chestnut sides, and the female being that yellowish green, but if you think about it—yeah, they do. They keep their tail up more than other ...