California Border Map Showing 2 Species at Risk (image) University of Texas at Austin Share Print E-Mail Caption The California border region has many threatened species, species with small ranges, and human-created barriers to animal migration. Lasky et. al. highlight two species at risk, the Arroyo Toad, which is federally endangered, and the Colorado Desert Fringe-toed Lizard, which is a federal species of concern. Credit Jesse Lasky, The University of Texas at Austin Usage Restrictions None Share Print E-Mail 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.