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Scientific Name
Empidonax difficilis occidentalis
Scientific Name w/ Auth.
Empidonax difficilis occidentalis Nelson, 1897
Park
Cedar Breaks National Monument (CEBR)
Sensitive
No
Park Accepted
Accepted
Record Status
Approved
Park Preferred Common Names
Cordilleran Flycatcher
Park Synonyms
Empidonax occidentalis
Taxonomic Hierarchy
| Kingdom | Animalia |
| Subkingdom | Bilateria |
| Infrakingdom | Deuterostomia |
| Phylum | Chordata |
| Subphylum | Vertebrata |
| Infraphylum | Gnathostomata |
| Superclass | Tetrapoda |
| Class | Aves |
| Order | Passeriformes |
| Family | Tyrannidae |
| Genus | Empidonax |
| Species | Empidonax difficilis |
| Subspecies | Empidonax difficilis occidentalis |
Occurrence
Present
Occurrence Notes
Species was detected and positively identified during the 2001-2002 avian inventory and is documented in that report (Johnson et al., 2003).; Data Source: Johnson et al. 2003, Bibkey #549677
Nativeness
Native
Nativeness Notes
Data Source: Johnson et al. 2003, Bibkey #549677
Abundance
Common
Abundance Notes
Data Source: Johnson et al. 2003, Bibkey #549677
Seasonality Tags
-
Breeder
Confirmed Breeder - Direct form of evidence: Nest building.; Data Source: Johnson et al. 2003, Bibkey #549677
Threatened Endangered Status
State Species of Concern statuses
Ozone Sensitive Status
NatureServe GRank
NatureServe SRank
Observations
0
References
Vouchers
0
External Links
0
Evidence counts shown include evidence for related synonyms.
Created By
eln/NCPN I&M
Created Date
4/5/2002 12:00:00 AM
Last Modified By
jrbrehm@nps.gov
Last Modified Date
9/25/2025 3:37:50 PM
Notes
Park Species Data Source: Johnson et al., 2003 Bibkey #549677
Other Parks
Arches National Park (ARCH)
Black Canyon of the Gunnison National Park (BLCA)
Bryce Canyon National Park (BRCA)
Canyonlands National Park (CANY)
Capitol Reef National Park (CARE)
Colorado National Monument (COLM)
Curecanti National Recreation Area (CURE)
Dinosaur National Monument (DINO)
Fossil Butte National Monument (FOBU)
Hovenweep National Monument (HOVE)
Natural Bridges National Monument (NABR)
Pipe Spring National Monument (PISP)
Timpanogos Cave National Monument (TICA)
Zion National Park (ZION)
Black Canyon of the Gunnison National Park (BLCA)
Bryce Canyon National Park (BRCA)
Canyonlands National Park (CANY)
Capitol Reef National Park (CARE)
Colorado National Monument (COLM)
Curecanti National Recreation Area (CURE)
Dinosaur National Monument (DINO)
Fossil Butte National Monument (FOBU)
Hovenweep National Monument (HOVE)
Natural Bridges National Monument (NABR)
Pipe Spring National Monument (PISP)
Timpanogos Cave National Monument (TICA)
Zion National Park (ZION)
