Northern Pocket Gopher (image) University of British Columbia Share Print E-Mail Caption Populations of northern pocket gopher in Nevada have lost 70 per cent of their range, according to University of British Columbia research. Credit National Park Service Usage Restrictions Attribution. 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.