Line-transect data may not produce reliable estimates of interannual sex-ratio and age structure variation in West African savannah ungulates. Tropical Zoology, [S. l.], v. 33, n. 1, 2020. DOI: 10.4081/tz.2020.67. Disponível em: https://biology.pagepress.org/tz/article/view/67. Acesso em: 28 jun. 2025.