Bill Wingfeather

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Species names and taxonomy: Clements, J. F., P. C. Rasmussen, T. S. Schulenberg, M. J. Iliff, J. A. Gerbracht, D. Lepage, A. Spencer, S. M. Billerman, B. L. Sullivan, M. Smith, and C. L. Wood. 2025. The eBird/Clements checklist of birds of the world: v2025. Downloaded from https://www.birds.cornell.edu/clementschecklist/download/.