Ekere, Ekere, J.I, and Odewumi, O.S. Odewumi. “Pattern of Occurrence, Abundance and Threats to the Common Hippopotamus (Hippopotamus Amphibious) Along Oli River, Kainji Lake National Park, Nigeria”. NIGERIAN JOURNAL OF WILDLIFE MANAGEMENT 4, no. 2 (November 23, 2024): 71–83. Accessed November 15, 2025. https://wildlifesocietyng.org/ojs1/index.php/home/article/view/73.