DONIOL-VALCROZE, P. On the taxonomic status of the Siberian Chiffchaff Phylloscopus [collybita] tristis (Phylloscopidae). Zootaxa, Auckland, New Zealand, v. 5432, n. 1, p. 145–150, 2024. DOI: 10.11646/zootaxa.5432.1.12. Disponível em: https://mapress.com/zt/article/view/zootaxa.5432.1.12. Acesso em: 29 apr. 2025.