Arctic Wolf (IMAGE) University of Bern Caption Arctic Wolf (Canis lupus arctos) in the Lüneburg Heath wildlife park, Germany. The white coat color is caused by the same genetic variant that leads to the dominant yellow color in dogs. Credit Quartl Usage Restrictions Creative Commons Attribution-Share Alike 3.0 Unported license License Licensed content 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.