Pacific Wren

Troglodytes pacificus




Wrens (Troglodytidae)

Code 4


Code 6



Egg Color:

White or slightly speckled.

Number of Eggs:

5 - 6

Incubation Days:


Egg Incubator:


Nest Location:

0 - 6 feet above ground.

Nest Material:

Cavity filled with platform of sticks, covered with moss and grass, lined with hair and feathers.





Pacific Wren: Formerly grouped with the Winter Wren, this bird is now considered its own species. A very small wren with barred, dark brown upperparts and buff eyebrows. Brown underparts are lightly barred on flanks, belly, and undertail. Tail is very short and held upright. Sexes are similar.

Range and Habitat

Pacific Wren: Breeds along the Pacific coast of North America from the southern coast of Alaska and British Columbia to California and inland as far as Montana and South Dakota. It migrates through and winters across western United States and Canada. Found mostly in coniferous forests, preferring fir and spruce.

Breeding and Nesting

Pacific Wren: Five to six eggs are laid in a small grass and moss lined cup nest. Nest site is prepared by the male and lined by the female. Males may have multiple nests in one season with different females. Incubation ranges from 12 to 16 days and is carried out by the female.

Foraging and Feeding

Pacific Wren: Feeds on insects and spiders; forages on the ground and along banks of streams.

Readily Eats

Meal Worms, Peanut Butter


Pacific Wren: Song is a high-pitched, varied, and rapid series of continuous musical trills and chatters, lasting 5-10 seconds. They also have a softer, sweeter sub-song, a quiet warble, as well as a "whisper song."  The call note is an explosive, sharp or husky "kit" or "kit-kit."

Similar Species

Pacific Wren: Rock Wren is larger with contrasting gray back and brown rump, and has buff tail tip.


Belly, undertail coverts, chest, flanks, and foreneck.

Back, rump, hindneck, wings, and crown.
The ventral part of the bird, or the area between the flanks on each side and the crissum and breast. Flight muscles are located between the belly and the breast.
Parts of a Standing bird X
Head Feathers and Markings X
Parts of a Flying bird X