Lewis, Todd R., et al. “Ecological Notes on the Annulated Treeboa (Corallus Annulatus) from a Costa Rican Lowland Tropical Wet Forest”. Reptiles & Amphibians, vol. 18, no. 4, Dec. 2011, pp. 202-7, https://doi.org/10.17161/randa.v18i4.16189.