BARNARD, P. Lanner Falcon hunting large forest hornbills in the east Usambara Mountains, Tanzania. Biodiversity Observations, [S. l.], p. 26–28, 2015. DOI: 10.15641/bo.267. Disponível em: https://journals.uct.ac.za/index.php/BO/article/view/267. Acesso em: 14 nov. 2025.