- Willow Flycatcher
 - Willow Flycatcher
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Willow Flycatcher Empidonax traillii

  • LC Least Concern
  • Names (25)
  • Subspecies (4)
James A. Sedgwick
Version: 1.0 — Published March 4, 2020
Text last updated January 1, 2000

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Recommended Citation

Sedgwick, J. A. (2020). Willow Flycatcher (Empidonax traillii), version 1.0. In Birds of the World (A. F. Poole and F. B. Gill, Editors). Cornell Lab of Ornithology, Ithaca, NY, USA. https://doi.org/10.2173/bow.wilfly.01