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Gray Whistler Pachycephala simplex Scientific name definitions

Walter Boles, Josep del Hoyo, Nigel Collar, and David Christie
Version: 1.0 — Published March 4, 2020
Text last updated February 27, 2018

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Recommended Citation

Boles, W., J. del Hoyo, N. Collar, and D. A. Christie (2020). Gray Whistler (Pachycephala simplex), version 1.0. In Birds of the World (S. M. Billerman, B. K. Keeney, P. G. Rodewald, and T. S. Schulenberg, Editors). Cornell Lab of Ornithology, Ithaca, NY, USA. https://doi.org/10.2173/bow.grywhi2.01
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