Red Squirrel with Nut (image) University of Sussex Share Print E-Mail Caption The red squirrel has been classified as endangered in Great Britain. Credit Picture courtesy of Austin Thomas/Mammal Society Usage Restrictions To be used only in conjunction with contemporaneous report of Mammal Society 2018 population study. 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.