Setophaga townsendi
The Townsend's Warbler (Setophaga townsendi) is a vibrant and distinctive New World warbler of western North America, instantly recognizable by the male's striking black facial mask, throat, and cap, vividly contrasted with bright yellow underparts and olive-green upperparts. Measuring approximately 11.5-12.5 cm (4.5-5 inches) in length with a wingspan of 18-20 cm (7-8 inches) and weighing around 8-12 grams, it is a medium-sized warbler. Key field marks include two prominent white wing bars a...
Townsend's Warblers primarily inhabit mature coniferous forests, favoring dense stands of Douglas-fir, spruce, true firs, and hemlock, often at mid to high elevations during the breeding season.
Primarily insectivorous, feeding on caterpillars, beetles, flies, and spiders gleaned from foliage; in winter, they supplement their diet with nectar and small fruits.
Highly active and acrobatic, Townsend's Warblers are diurnal foragers, spending most of their time in the canopy. They employ a 'gleaning' foraging strategy, meticulously picking insects and spiders from needles and leaves, often hovering briefly or making short, agile fly-catching sallies. Durin...
The Townsend's Warbler breeds across a vast expanse of western North America, from southeastern Alaska, through British Columbia, the Canadian Rockies, and south along the Cascade Range, Sierra Nevada, and Rocky Mountains into northern California, Idaho, and western Montana. During the non-breedi...
Least Concern
- Townsend's Warblers are well-known for extensively hybridizing with Hermit Warblers where their breeding ranges overlap, creating a fascinating "hybrid zone. - The species was named after the American naturalist John Kirk Townsend, who collected the first specimen in 1836. - Unlike many warbler...