BERRYMAN, A. J. Species limits in Syma kingfishers using plumage, morphometric and bioacoustic analyses. Zootaxa, Auckland, New Zealand, v. 5604, n. 2, p. 156–166, 2025. DOI: 10.11646/zootaxa.5604.2.5. Disponível em: https://mapress.com/zt/article/view/zootaxa.5604.2.5. Acesso em: 2 apr. 2025.