- Western Flycatcher (Pacific-slope)
 - Western Flycatcher (Pacific-slope)
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Western Flycatcher Empidonax difficilis Scientific name definitions

Peter E. Lowther, D. Archibald McCallum, Peter Pyle, and W. Alexander Hopping
Version: 1.0 — Published October 24, 2023
Revision Notes

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Distribution of the Western Flycatcher - Range Map
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  • Year-round
  • Migration
  • Breeding
  • Non-Breeding
Distribution of the Western Flycatcher

Map last updated 16 October 2023.

Recommended Citation

Lowther, P. E., D. A. McCallum, P. Pyle, and W. A. Hopping (2023). Western Flycatcher (Empidonax difficilis), version 1.0. In Birds of the World (B. K. Keeney and S. M. Billerman, Editors). Cornell Lab of Ornithology, Ithaca, NY, USA. https://doi.org/10.2173/bow.wesfly.01