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nih.gov
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Benz, B.W.; Robbins, M.B. (2011). "Molecular phylogenetics, vocalizations, and species limits in Celeus woodpeckers (Aves: Picidae)". Molecular Phylogenetics and Evolution. 61 (1). ss. 29-44. doi:10.1016/j.ympev.2011.05.001. PMID21596145.
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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. 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.