Sonoran Mountain Kingsnakes (IMAGE) University of Arizona Caption A mating pair of Sonoran mountain kingsnakes, one of the species studied in the paper, photographed in the Santa Rita Mountains. Credit John J. Wiens Usage Restrictions This visual may only be used for the purpose of posting and/or reporting of this news release. Credit information must be provided as indicated. License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.