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Open-Front Nester Open

Cordilleran Flycatcher

Empidonax occidentalis

Floor
6" × 6"
Interior height
5"
Mount height
8–15 ft
Breeds
May–Aug
Broods / yr
1
Cool Facts

Things you didn't know about the Cordilleran Flycatcher

01

Cordilleran Flycatchers and Pacific-slope Flycatchers were once considered the same species ('Western Flycatcher') and were only split in 1989 based on slight differences in voice and DNA.

02

They build moss-and-rootlet cup nests on shaded ledges — perfect for an open-front shelf.

03

They're sit-and-wait flycatchers, sallying out from a low perch to grab insects in mid-air.

Attract Them

How to bring the Cordilleran Flycatcher to your yard

If you live in mountain forest country in the West, Cordilleran Flycatchers will use a sheltered ledge near water.

Box placement

Mount the open shelf 6–12 ft up in deep shade — under a porch, eave, or against a north-facing wall in a wooded yard.

Water

A creek, pond, or fountain dramatically improves your odds — they're tied to moist habitats.

Food

Aerial insects only. Native plants supporting flying insects.

Cover & landscaping

Mountain forest with mature trees nearby — they avoid open or recently-logged country.

Avoid

Don't site the shelf in sun-baked open areas; they want shade.

Range & Habitat

Where you'll find them

A small flycatcher of mountain forests in the Rocky Mountains and Mexican highlands.

By region
  • Rocky Mountains (breeding)

    Breeds throughout the Rockies from Idaho and Montana south through Utah, Colorado, Arizona, and New Mexico.

  • Mexico (winter)

    Winters in the Mexican highlands and Pacific slope south to Oaxaca.

Habitat preferences

Moist canyon woodlands, riparian corridors in mountain forests, often shaded by pine and aspen. They prefer cool damp microclimates.

mountain canyons outbuildings near streams under eaves
Approximate range centroids — see the regional breakdown above for the specifics
Fledge Kit

The right house for the Cordilleran Flycatcher

Open-Front Series

Open Shelf — Small

No entrance hole, no front wall — just a sheltered ledge. Includes drainage and the integrated mounting tab.

See the full lineup
Seasonal Care

When to install. When to clean.

Install by
By April
Cleaning
September

Migrant from Mexico. Highly faithful to specific nest sites — same cabin can host the same lineage for decades.