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Willow Flycatcher Empidonax traillii Scientific name definitions

James A. Sedgwick
Version: 1.0 — Published March 4, 2020
Text last updated January 1, 2000

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

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