Clements, J. F., T. S. Schulenberg, M. J. Iliff, T. A. Fredericks, J. A. Gerbracht, D. Lepage, S. M. Billerman, B. L. Sullivan, and C. L. Wood. 2022. The eBird/Clements checklist of birds of the world: v2022. Downloaded from https://www.birds.cornell.edu/clementschecklist/download/ 12 Mart 2022 tarihinde Wayback Machine sitesinde arşivlendi. retrieved November 10, 2022
doi.org
Kirwan, G. M., J. del Hoyo, H. Winkler, D. A. Christie, N. Collar, C. J. Sharpe, and P. F. D. Boesman (2022). Ringed Woodpecker (Celeus torquatus), version 2.0. In Birds of the World (B. K. Keeney, Editor). Cornell Lab of Ornithology, Ithaca, NY, USA. https://doi.org/10.2173/bow.rinwoo1.02 retrieved February 6, 2023
lsu.edu
museum.lsu.edu
Remsen, J. V., Jr., J. I. Areta, E. Bonaccorso, S. Claramunt, A. Jaramillo, D. F. Lane, J. F. Pacheco, M. B. Robbins, F. G. Stiles, and K. J. Zimmer. 30 January 2023. Species Lists of Birds for South American Countries and Territories. https://www.museum.lsu.edu/~Remsen/SACCCountryLists.htm 4 Ekim 2021 tarihinde Wayback Machine sitesinde arşivlendi. retrieved January 30, 2023
Remsen, J. V., Jr., J. I. Areta, E. Bonaccorso, S. Claramunt, A. Jaramillo, D. F. Lane, J. F. Pacheco, M. B. Robbins, F. G. Stiles, and K. J. Zimmer. Version 30 January 2023. A classification of the bird species of South America. American Ornithological Society. https://www.museum.lsu.edu/~Remsen/SACCBaseline.htm 23 Ocak 2022 tarihinde Wayback Machine sitesinde arşivlendi. retrieved January 30, 2023
web.archive.org
Gill, F.; Donsker, D.; Rasmussen, P., (Ed.) (January 2023). "Woodpeckers". IOC World Bird List. v 13.1. 14 Kasım 2020 tarihinde kaynağından arşivlendi. Erişim tarihi: 31 Ocak 2023.
Remsen, J. V., Jr., J. I. Areta, E. Bonaccorso, S. Claramunt, A. Jaramillo, D. F. Lane, J. F. Pacheco, M. B. Robbins, F. G. Stiles, and K. J. Zimmer. 30 January 2023. Species Lists of Birds for South American Countries and Territories. https://www.museum.lsu.edu/~Remsen/SACCCountryLists.htm 4 Ekim 2021 tarihinde Wayback Machine sitesinde arşivlendi. retrieved January 30, 2023
Remsen, J. V., Jr., J. I. Areta, E. Bonaccorso, S. Claramunt, A. Jaramillo, D. F. Lane, J. F. Pacheco, M. B. Robbins, F. G. Stiles, and K. J. Zimmer. Version 30 January 2023. A classification of the bird species of South America. American Ornithological Society. https://www.museum.lsu.edu/~Remsen/SACCBaseline.htm 23 Ocak 2022 tarihinde Wayback Machine sitesinde arşivlendi. retrieved January 30, 2023
Clements, J. F., T. S. Schulenberg, M. J. Iliff, T. A. Fredericks, J. A. Gerbracht, D. Lepage, S. M. Billerman, B. L. Sullivan, and C. L. Wood. 2022. The eBird/Clements checklist of birds of the world: v2022. Downloaded from https://www.birds.cornell.edu/clementschecklist/download/ 12 Mart 2022 tarihinde Wayback Machine sitesinde arşivlendi. retrieved November 10, 2022
Gill, F.; Donsker, D.; Rasmussen, P., (Ed.) (January 2023). "Woodpeckers". IOC World Bird List. v 13.1. 14 Kasım 2020 tarihinde kaynağından arşivlendi. Erişim tarihi: 31 Ocak 2023.