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Cavity Nester ⌀ 1.125" Compact

House Wren

Troglodytes aedon

Floor
4" × 4"
Interior height
8"
Entrance hole
⌀ 1.125"
Mount height
5–10 ft
Breeds
Apr–Jul
Broods / yr
1–2
Cool Facts

Things you didn't know about the House Wren

01

Males build multiple 'dummy nests' in spare cavities to advertise territory — a single male may stuff sticks into every box in his range before the female picks one.

02

Their 1⅛" entrance hole is the smallest in the cavity-nester world, which is exactly why they thrive: it locks out larger competitors like House Sparrows.

03

Wrens are vocal architects — the male sings up to 9 different song types and may deliver 600 songs per hour during peak courtship.

04

Despite weighing only ⅓ ounce, they can raise two broods of 5–8 chicks each summer.

Attract Them

How to bring the House Wren to your yard

Wrens are insectivores — they ignore feeders entirely. Attract them by giving them dense low cover, open foraging ground, and a properly-placed nest box.

Cover & landscaping

Plant a brushy hedge or leave a brush pile within 50 ft of the nest box. Wrens won't claim a box that doesn't have tangled cover nearby — they need somewhere to dive when threatened.

Box placement

Mount the box 5–10 ft up on a fence post, garden shed, or tree trunk along the edge of an open lawn or garden bed. Avoid the middle of dense woods — they prefer edges.

Food

You don't feed wrens directly. Instead, garden for insects: native flowering plants, leaf litter, and a chemical-free yard. A wren pair will catch hundreds of caterpillars, spiders, and beetles a day.

Competitors

Provide multiple boxes — a male will claim and 'fill' several with sticks before the female chooses one. Spacing them 30+ ft apart prevents fighting.

Avoid

Skip pesticides and lawn chemicals; they wipe out the insects wrens need. Don't mount the box in a manicured lawn with no nearby cover.

Range & Habitat

Where you'll find them

One of the most widely distributed songbirds in the Western Hemisphere — they breed from south-central Canada to the southern tip of South America, though most populations migrate.

By region
  • Eastern & Central US

    Common breeder from Maine and the Great Lakes south through the Mid-Atlantic, Appalachians, and Midwest. Year-round in southern Texas, Louisiana, and Florida; migratory elsewhere.

  • Western US

    Breeds throughout the Rockies, Great Basin, Pacific Northwest, and California foothills. Found from sea level up to 10,000 ft in the southern Rockies.

  • Southern Canada

    Breeding range extends north into southern BC, Alberta, southern Saskatchewan and Manitoba, southern Ontario, Quebec, and the Maritime provinces. They retreat south for winter.

  • Mexico & Central America

    A separate resident population (the 'Brown-throated' Wren group) lives year-round through the highlands of Mexico, Guatemala, and into Honduras.

  • South America

    Resident populations through Colombia, Venezuela, and the Andean countries down to Tierra del Fuego — the most widely distributed wren in the New World.

Habitat preferences

Edge species. Look for them in shrubby field edges, suburban yards, garden hedges, and tangled brush near openings. Surprisingly absent from deep forest interiors and treeless grassland.

gardens woodland edges shrubby areas
Approximate range centroids — see the regional breakdown above for the specifics
Fledge Kit

The right house for the House Wren

Cavity Series

Small body + 1⅛" panel

Body sized to 4"×4" floor. The 1⅛" panel locks out larger nest competitors while letting the House Wren pass cleanly.

See the full lineup
Seasonal Care

When to install. When to clean.

Install by
By mid-March
Cleaning
Empty between broods; final clean September
Southern US
Install by late February; 2 broods common.
Northern US / Canada
Install by early April; usually 1 brood.

Wrens build stick 'dummy nests' in any spare cavity — a male may claim several boxes.