Pacific-slope Flycatcher (Empidonax difficilis)

Other Names (World)
Pacific-slope Flycatcher, Coastal Flycatcher, Redwoods Flycatcher, Western Flycatcher

Family
Tyrannidae (Tyrant-flycatchers)

Size
14 cm

First Described (Guide)
Baird, 1858

Habitat
Subtropical and tropical lowland and montane moist forest, dry forest. From 1,500 - 3,500 m.

Range (Guide)

Canada (B), Mexico, USA (B).

Rarity Status
Currently this species is not classified as a rarity in this country OR information has not been updated.

Population
Estimated population is 8,300,000 (2010).

Status LC
For more information see BirdLife International Species Factsheet.

Voice
Xeno-Canto Sound Files (more (127)...)

Pacific-slope Flycatcher (Empidonax difficilis) [XC71893]
by Richard E Webster from Observatorio area, Sierra San Pedro Martir, Baja California, Mexico (song, early morning song)

Pacific-slope Flycatcher (Empidonax difficilis) [XC37051]
by Richard E Webster from Cougar Mountain, King Co., WA, United States (call)

Subspecies
Formerly treated as conspecific with Cordilleran Flycatcher (Empidonax occidentalis). Separated on grounds of differences in voice, morphology and allozymes, but this treatment questioned by some authorities. Further study is required. Sometimes Yellowish Flycatcher (Empidonax flavescens) considered conspecific. Channel Is subspecies insulicola possibly a separate species, differs from mainland populations in morphology, voice, habitat use and genetics.

The following 3 subspecies are recognised:

difficilis Baird, 1858 - Breeds from south-eastern Alaska south to southern California (generally west of Sierra Nevadas) and extreme north-western Mexico (northern Baja California). Winters western Mexico (south to southern Baja California, Sinaloa and Oaxaca).
insulicola Oberholser, 1897 - Breeds on Channel Is, off southern California (USA); winter range unknown.
cineritius Brewster, 1888 - Sierra de la Laguna (Victoria Mts), in Cape District (southern Baja California).

References
See References.

Files:

JPG files for Pacific-slope Flycatcher (Empidonax difficilis) - 10 files

More Information

BirdLife International

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BirdLife International Species Factsheet.

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