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Scientific Name
Empidonax difficilis occidentalis
Scientific Name w/ Auth.
Empidonax difficilis occidentalis Nelson, 1897
Park
Dinosaur National Monument (DINO)
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
Data Source: RMBO monitoring data 2005
Nativeness
Native
Nativeness Notes
Data Source: Sibley 2000, Bibkey #388698
Abundance
Unknown
Seasonality Tags
-
Breeder
Sibley 2000, Bibkey #388698 indicates DINO is within the breeding range of this species.; Data Source: Sibley 2000, Bibkey #388698
Threatened Endangered Status
State Species of Concern statuses
Ozone Sensitive Status
NatureServe GRank
NatureServe SRank
Observations
1
References
0
Vouchers
0
External Links
0
Evidence counts shown include evidence for related synonyms.
Created By
R. Weissinger, NCPN I&M
Created Date
8/13/2010 10:56:01 AM
Last Modified By
jrbrehm@nps.gov
Last Modified Date
9/20/2025 11:04:27 AM
Notes
Park Species Data Source: RMBO monitoring data 2007
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)
Cedar Breaks National Monument (CEBR)
Colorado National Monument (COLM)
Curecanti National Recreation Area (CURE)
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)
Cedar Breaks National Monument (CEBR)
Colorado National Monument (COLM)
Curecanti National Recreation Area (CURE)
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)
