Myrtle Warbler (Setophaga coronata)

About the Myrtle Warbler

The yellow-rumped warbler (Setophaga coronata) is a North American bird species that can be commonly observed all across the continent. Its extensive range connects both the Pacific and Atlantic coasts of the U.S. as well as Canada and Central America, with the population concentrated in the continent's northern reaches during the breeding season and migrating southwards to southern North and Central America in the winter. It generally prefers coniferous forests or mixed coniferous-deciduous forests as its breeding habitat, while during the winter it can be found inhabiting more open areas such as shrublands that offer food resources. The yellow-rumped warbler is primarily insectivorous, though the species eats fruit such as juniper berries, especially in winter.

Ecology and behavior

As a member of the Parulidae, this species is associated with deciduous woodland, thickets, canopy, marshes and forest edges. It typically feeds by insects, sometimes fruit or nectar outside breeding season. That combination of habitat and feeding behavior explains where the bird is easiest to find and why it may be heard more often than seen. Across its range, recorded examples are linked to Canada, United States. Local habitat can change the exact impression of the voice, but the useful field method stays the same: note the perch, surrounding vegetation, and whether the bird repeats one phrase or gives separate contact sounds.

What to listen for

Many songs are thin, bright, buzzy or rapid; compare clear versus buzzy endings and count repetitions. The recordings on this page are labeled here as song, call. Compare each phrase in three passes. First follow the rhythm and repetition. Then judge whether the tone is clear, burry, buzzy, rounded or harsh. Finally notice the pitch direction and the spacing between statements. These three features are more reliable than trying to translate the sound into words alone. A useful field note should describe the whole phrase before naming the bird. For this species, write whether the sound stays level, rises or falls, how long each series lasts, and whether the bird seems exposed, hidden in cover, or associated with a particular edge between habitats. Those details make the recording transferable to a real outdoor encounter.

A field note on this voice