Köhler, Gunther. “Conservation Status of Spiny-Tailed Iguanas (Genus Ctenosaura), With Special Emphasis on the Utila Iguana (C. Bakeri)”. Iguana 11, no. 4 (December 1, 2004): 206–211. Accessed May 8, 2025. https://journals.ku.edu/iguana/article/view/17150.