Recommended Citation

Winkler, D. W., S. M. Billerman, and I.J. Lovette (2020). New World Sparrows (Passerellidae), 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.passer3.01