Wrens
Thryomanes bewickii
The Bewick's Wren is a small, energetic songbird recognized by its distinctive white eyebrow and long, often-cocked tail. While once widespread across North America, its populations have declined significantly in the eastern United States, though it remains common in the west. This vocal wren is known for its complex and varied songs.
Typical adult measurements.
Individuals and populations vary.
01 / The telltale details
Start with shape and behavior. Then look for the smaller details.
A prominent white stripe extends above the eye, contrasting with its brown head.
The relatively long tail is often held upright, barred with black, and tipped with white spots on the outer feathers.
Upperparts are brown to grayish-brown, with pale gray-white underparts. Regional variations exist, with eastern birds being more richly colored and western birds often grayer.
It possesses a relatively long, slender bill that is slightly curved downwards.
02 / A place in the world
Bewick's Wrens favor dry, brushy areas, thickets, and scrub in open country or open woodlands. They can also be found in chaparral, desert washes, streamside groves, and suburban gardens and parks.
This species is found across western and south-central North America, from southwestern British Columbia to southern Mexico. While formerly present across much of the eastern United States, it is now rare east of the Mississippi River.
Bewick's Wrens are generally year-round residents throughout most of their range. Some northern populations may undertake short-distance migrations southward for winter, and some western populations are expanding their range northward.
03 / Listen a little closer
Males possess a diverse repertoire of loud, melodious songs, often described as a series of high, clear notes, warbles, and trills, sometimes reminiscent of a Song Sparrow. Both sexes use harsh scolding calls when agitated.
04 / The life behind the feathers
Their diet primarily consists of a wide variety of insects and other small invertebrates, including beetles, ants, wasps, true bugs, caterpillars, grasshoppers, flies, and spiders. Occasionally, they will also consume berries or seeds, particularly in winter.
These wrens are active foragers, hopping and climbing among tree trunks, branches, and twigs, probing bark crevices, and gleaning insects from surfaces. They also forage on the ground, flipping over leaves and searching through leaf litter. They may hang upside down to catch prey.
Nests are typically cup-shaped, built in cavities or on ledges within 9 meters (30 feet) of the ground. Sites include rock crevices, brush piles, old woodpecker holes, outbuildings, nest boxes, and even abandoned vehicles. Both sexes participate in nest construction, which can include sticks, grasses, rootlets, leaves, moss, and sometimes spider egg cases or snakeskin.
Bewick's Wrens are highly active and inquisitive birds, often pausing for only brief moments. Males defend their territories year-round through vigorous singing and may chase rival wrens. During courtship, males may feed females or display by spreading their tail. They frequently cock and wag their long tails.
One more reason to pay attention
A male Bewick's Wren learns its song from neighboring territorial males, not from its father, developing a unique repertoire that it retains for life.
The severe decline of Bewick's Wrens in the eastern United States is thought to be linked to competition with the more aggressive House Wren.
The species was named by John James Audubon after his friend, British engraver Thomas Bewick.
05 / An eye for the difference
House Wrens are generally smaller, lack the prominent white eyebrow stripe, and do not have white spots on their tail feathers.
Carolina Wrens are typically larger, have richer reddish-brown upperparts and buffier underparts, and lack the white tail tips of the Bewick's Wren.
Canyon Wrens have a longer bill, a rich rufous-brown body with strong markings, and a plain white throat that contrasts sharply with their body color, lacking the distinct white eyebrow.
AI-assisted species research. Prepared September 2026. Details can vary across regions and populations.