Not a Bird Brain (IMAGE) University of Iowa Caption New research at the University of Iowa shows that pigeons can discriminate the abstract concepts of space and time -- and seem to use a region of the brain different from humans and primates to do so. The finding adds to growing recognition in the scientific community that lower-order animal species -- such as birds, reptiles, and fish -- are capable of high-level, abstract decision-making. Credit Kathryn Gamble 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.