Hyena and a Puzzle Box (IMAGE) University of Wyoming Caption A spotted hyena investigates a puzzle box after an experimental trial that showed carnivore species with larger brains relative to their body size are better at solving problems. Credit Sarah Benson-Amram Usage Restrictions None 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.