SIMMONS, R. Apparent North-West range extension of Blue Cranes in South Africa. Biodiversity Observations, [S. l.], p. 3–5, 2011. DOI: 10.15641/bo.115. Disponível em: https://journals.uct.ac.za/index.php/BO/article/view/115. Acesso em: 21 nov. 2025.