Bay-breasted Warbler vs Blackburnian Warbler

In short

The Bay-breasted Warbler and Blackburnian Warbler can be distinguished by their plumage during breeding season. The Bay-breasted Warbler has a distinctive bay-colored breast, while the Blackburnian Warbler is known for its striking orange throat. Both species inhabit coniferous forests, but the Blackburnian Warbler is more associated with hemlock and deciduous forests in its southern range.

Identification tips

1. Look for the bay-colored breast in Bay-breasted Warblers during breeding season. 2. Identify the bright orange throat of the Blackburnian Warbler. 3. Be cautious with nonbreeding Bay-breasted Warblers as they may resemble Blackpoll Warblers.

Plumage

In breeding plumage, the Bay-breasted Warbler features a bay-colored breast and flanks, whereas the Blackburnian Warbler is noted for its bright orange throat and contrasting black and white patterning. Nonbreeding Bay-breasted Warblers can resemble Blackpoll Warblers, complicating identification.

Habitat

Both species inhabit coniferous forests, but the Blackburnian Warbler also frequents deciduous forests, particularly in the southern part of its range, often in association with hemlock.