Kopij, Grzegorz. “Year-to-Year Changes in Population Density and Site Fidelity of Psittaciform, Coraciiform and Piciform Species in an Acacia Savanna, North-Central Namibia”. African Biodiversity & Conservation 55, no. 1 (November 6, 2025). Accessed November 13, 2025. https://www.abcjournal.org/index.php/abc/article/view/526.