ST. PETERSBURG, Fla.— Following litigation brought by the Center for Biological Diversity, the U.S. Fish and Wildlife Service today designated critical habitat for the elfin-woods warbler. This small, ...

Identification: The blackpoll is a long-winged warbler with a short tail and a small bill. Breeding males are streaky black and white with all-black caps. Habitat and Location: They inhabit boreal ...

When identifying black-throated blue warblers, look for field marks like the white belly and white wing spot. The male’s dark colors reflect this bird’s favorite migration habitat: in the ...