Herrera-Montes, Adriana. “Notes on the Striped Keelback (Xenochrophis Vittatus) in Puerto Rico: A Recently Reported Non-Native Snake in the Western Hemisphere”. Reptiles & Amphibians, vol. 22, no. 4, Dec. 2015, pp. 178-81, https://doi.org/10.17161/randa.v22i4.14081.