HATTINGH, K.; HATTINGH, A. Eyewitness report: Crested Barbet chicks killed by Lesser Honeyguides. Biodiversity Observations, [S. l.], p. 56–57, 2012. Disponível em: https://journals.uct.ac.za/index.php/BO/article/view/147. Acesso em: 5 jul. 2022.