MAROVA, I.; IVANITSKII, V.; ILINA, I.; PECHENEVA, A.; KVARTALNOV, P.; BELOCON, Y.; BELOKON, M. A new contact zone in the Chiffchaff distribution range: Caucasian and European subspecies meet each other in the south of Russia. Ornis Fennica, [S. l.], p. 00–00, 2024. DOI: 10.51812/of.131719. Disponível em: https://ornisfennica.journal.fi/article/view/131719. Acesso em: 21 may. 2024.