Locations of UWIN trail cameras (IMAGE) University of Utah Caption Map of the distribution of the 20 cities across North America that contributed data for this analysis as well as three representative examples of the distribution of camera trapping study sites along each city’s respective urbanization gradient. Points for Tacoma, Washington and Seattle, Washington are partially overlapping, as are points for Denver, Colorado and Fort Collins, Colorado. Credit UWIN Usage Restrictions Credit must be given to the creator. Only noncommercial uses of the work are permitted. License CC BY-NC 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.