Brain Endocasts (IMAGE) American Museum of Natural History Caption Side views of brain endocasts from the dodo (A), the Rodrigues solitaire (B), and Caloenas nicobarica (C), a type of pigeon. Enlarged olfactory bulbs, labeled "ob," can be seen in the dodo and the solitaire. The scale bar is 15 millimeters. Credit © AMNH/E. Gold Usage Restrictions Can be used with appropriate credit 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.