Raven in Prudhoe Bay (IMAGE) Wildlife Conservation Society Caption Ravens are one of several predator species attracted to oil drilling infrastructure, a new study finds. Credit Steven Zack/Wildlife Conservation Society Usage Restrictions for one-time use for news stories directly related to this news release 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.