Cordilleran Flycatcher (Empidonax occidentalis), version 3.0

Lowther, Peter E.; Pyle, Peter; Patten, Michael A.

doi:10.2173/bna.corfly.03species_shared.bna.project_name

- Western Flycatcher (Cordilleran) — © Steven Mlodinow

Macaulay Library

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Cordilleran Flycatcher Empidonax occidentalis

Peter E. Lowther, Peter Pyle, and Michael A. Patten
Version: 3.0 — Published October 4, 2016

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Introduction
Appearance
- Similar Species
- Detailed Description
- Plumages
- Molts
- Bare Parts
- Linear Measurements
- Mass
Systematics
- Geographic Variation
- Subspecies
- Related Species
Distribution, Migration, and Habitat
- Distribution in the Americas
- Distribution Outside the Americas
- Nature of Migration
- Timing and Routes of Migration
- Migratory Behavior
- Control and Physiology of Migration
- Habitat in Breeding Range
- Habitat in Migration
- Habitat in the Overwintering Range
- Historical Changes to the Distribution
- Fossil History
Diet and Foraging
- Feeding
- Diet
- Food Selection and Storage
- Nutrition and Energetics
- Metabolism and Temperature Regulation
- Drinking, Pellet-Casting, and Defecation
Sounds and Vocal Behavior
- Vocalizations
- Nonvocal Sounds
Behavior
- Locomotion
- Self-Maintenance
- Agonistic Behavior
- Spacing
- Sexual Behavior
- Social and Interspecific Behavior
- Predation
Breeding
- Phenology
- Nest Site
- Nest
- Eggs
- Incubation
- Hatching
- Young Birds
- Parental Care
- Cooperative Breeding
- Brood Parasitism
- Fledgling Stage
- Immature Stage
Demography and Populations
- Measures of Breeding Activity
- Life Span and Survivorship
- Disease and Body Parasites
- Causes of Mortality
- Range
- Population Status
- Population Regulation
Conservation and Management
- Effects of Human Activity
- Management
Other
Priorities for Future Research
Acknowledgments
About the Author(s)

Multimedia
- Photos
- Audio
- Video
- Figures
Tables and Appendices

Revision History

References

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Figure 1. Distribution of Cordilleran Flycatcher. - Range Map — Enlarge

Year-round

Migration

Breeding

Non-Breeding

Figure 1. Distribution of Cordilleran Flycatcher.

Recommended Citation

Lowther, P. E., P. Pyle, and M. A. Patten (2016). Cordilleran Flycatcher (Empidonax occidentalis), version 3.0. In The Birds of North America (P. G. Rodewald, Editor). Cornell Lab of Ornithology, Ithaca, NY, USA. https://doi.org/10.2173/bna.corfly.03

Language	Common name
English	Western Flycatcher (Cordilleran)
English (United States)	Western Flycatcher (Cordilleran)
French	Moucherolle obscur (occidentalis/hellmayri)
French (France)	Moucherolle obscur (occidentalis/hellmayri)
Norwegian	vestempid (occidentalis/hellmayri) (cordilleraempid)
Polish	empidonka kordylierska (E.d. occidentalis/hellmayri)
Serbian	Muharka sa Kordiljera
Slovak	pamuchár kordillersky (skup.)
Spanish	Mosquero del Pacífico (occidentalis/hellmayri)
Spanish (Spain)	Mosquero del Pacífico (occidentalis/hellmayri)
Turkish	Batı Amerika Sinekkapanı (occidentalis/hellmayri)

Cordilleran Flycatcher Empidonax occidentalis

Species names in all available languages

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Appendix