- 3.1–4.7 in
- 4.7–6.3 in
- 0.3–0.4 oz
- Pacific Wrens sometimes roost communally in cold weather. In one case, 31 individuals were found together in a nest box in western Washington.
Coniferous and mixed forests, primarily with dense understory, often near water.
Invertebrates, including insects, insect larvae, millipedes, spiders, and others.
- Clutch Size
- 1–9 eggs
- Egg Description
- White, with variable reddish brown spotting.
- Condition at Hatching
- Helpless with little down.
Domed structure with entrance hole on side, made of moss, bark, twigs, rootlets, grass, feathers, hair, and decayed wood, lined with feathers and hair. Placed in hole. May use existing cavities, such as woodpecker holes, excavate holes in banks, or build nests on root bases and branches.
Feeds methodically in low shrubs, on the ground, near the bases of trees, and around fallen dead wood.
- Hejl, S. J., J. A. Holmes, and D. E. Kroodsma. 2002. Winter Wren (Troglodytes troglodytes). In The Birds of North America, No. 623 (A. Poole and F. Gill, eds.). The Birds of North America, Inc., Philadelphia, PA.