Otani, Yosuke, Augustine Tuuga, Henry Bernard, and Ikki Matsuda. “Opportunistic Predation and Predation-Related Events on Long-Tailed Macaque and Proboscis Monkey in Kinabatangan, Sabah, Malaysia”. Journal of Tropical Biology & Conservation (JTBC) 9, no. 2 (November 20, 2023). Accessed May 19, 2024. https://jurcon.ums.edu.my/ojums/index.php/jtbc/article/view/247.