Jarvis Birdmap (IMAGE) Duke University Caption A revised map of the bird brain shows cortical areas organized in columns, as in mammals and humans. Credit Erich Jarvis, Duke/HHMI 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.