Saito, Miho, Masayuki Matsunaga, Hiroki Fukuizumi, and Masayuki Nakamichi. “Effects of Nocturnal Outdoor Enclosure Access on Space Use and Sleep-Related Behaviour in Captive Giraffes”. Journal of Zoo and Aquarium Research 12, no. 3 (July 31, 2024): 154–162. Accessed August 25, 2024. https://jzar.org/jzar/article/view/809.