West Siberian Greenish Warbler (image) University of British Columbia Caption This image shows a West Siberian greenish warbler (P. t. viridanus). Credit Darren Irwin, University of British Columbia. Usage Restrictions None 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.