Order
Passeriformes
Family
Tyrannidae
Genus
Empidonax
 
Birds of North America
Version  3.0
This is a historic version of this account.

Pacific-slope Flycatcher Empidonax difficilis

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

Revision History

Birds of North America

  • Version  3.0

  • Full Revision
  • October 4, 2016
  • Pacific-slope Flycatcher Empidonax difficilis

Authors

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

Revisors

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

Recommended Citation

Lowther, P. E., P. Pyle, and M. A. Patten (2016). Pacific-slope Flycatcher (Empidonax difficilis), 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.pasfly.03

  • Version  2.0

  • Revision
  • January 1, 2000
  • Pacific-slope Flycatcher Empidonax difficilis

Authors

Peter E. Lowther

Revisors

Peter E. Lowther

Recommended Citation

Lowther, P. E. (2000). Pacific-slope Flycatcher (Empidonax difficilis), version 2.0. In The Birds of North America (A. F. Poole and F. B. Gill, Editors). Cornell Lab of Ornithology, Ithaca, NY, USA.

Recommended Citation

Lowther, P. E. 2001. Pacific-slope Flycatcher (Empidonax difficilis) and Cordilleran Flycatcher (Empidonax occidentalis). In The Birds of North America, No. 556 (A. Poole and F. Gill, eds.). The Birds of North America, Inc., Philadelphia, PA. https://doi.org/10.2173/tbna.556.p

Recommended Citation

Lowther, P. E., P. Pyle, and M. A. Patten (2016). Pacific-slope Flycatcher (Empidonax difficilis), 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.pasfly.03
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