Pipilo, [w:] The Key to Scientific Names, J.A.J.A.Jobling (red.), [w:] Birds of the World, S.M. Billerman et al. (red.), Cornell Lab of Ornithology, Ithaca [dostęp 2022-02-17](ang.), [archiwum].
birdsoftheworld.org
Pipilo, [w:] The Key to Scientific Names, J.A.J.A.Jobling (red.), [w:] Birds of the World, S.M. Billerman et al. (red.), Cornell Lab of Ornithology, Ithaca [dostęp 2022-02-17](ang.), [archiwum].
doi.org
S.L. Olson, D.B. Wingate. A new species of towhee (Aves: Emberizidae: Pipilo) from Quaternary deposits on Bermuda. „Proceedings of the Biological Society of Washington”. 125 (1), s. 85–96, 2012. DOI: 10.2988/11-21.1. (ang.).