House Wren

The House Wren is a small, energetic bird with an enormous range spanning much of North and South America. Its feathers are subdued grayish-brown overall, lacking the bright rufous tones of the Carolina Wren, with fine dusky barring visible on the wings and tail. The species readily nests in birdhouses and cavities near human structures, so its feathers commonly appear in gardens and yards during the breeding season.

Size and Shape

Feathers are quite small and rounded, among the smallest of the common backyard wrens, with a short, frequently cocked tail.

Color and Pattern

• Overall color: plain grayish-brown to warm brown, without bold contrasting patches
• Tail and wing feathers: fine, evenly spaced dark barring
• Underparts: pale grayish-buff, faintly barred on the flanks

Distinguishing from Similar Species

House Wren feathers are duller and grayer than the warm rufous tones of the Carolina Wren, and lack the bold white eyebrow stripe seen in that species' facial feathers. Compared to the Winter Wren, House Wren feathers are slightly longer and less densely barred.

Both sexes look alike, showing plain grayish-brown plumage with fine barring on the wings and tail and no seasonal color change. Juveniles are similarly plain but may show slightly more diffuse barring. Adults undergo a complete molt after the breeding season, generally in late summer, and migratory populations replace feathers before heading south.

House Wrens breed across a broad swath of North America, from southern Canada to the southern United States, and separate populations occur through Central and South America. Northern populations are migratory, wintering in the southern United States and Mexico, while southern populations are largely resident. The species favors edge habitats: gardens, brushy fields, open woodland, and shrubby suburban yards with nest cavities or boxes.

House Wrens forage actively in low vegetation and brush piles, taking insects and spiders almost exclusively. They are cavity nesters, readily using nest boxes, and males are known for filling multiple potential nest sites with sticks before a female chooses one to line with softer material. The song is a rapid, bubbling cascade of notes, and the species is notably vocal and territorial, sometimes destroying the eggs of nearby competing cavity nesters.