Crested Pigeon (IMAGE) Cell Press Caption This is a photograph of a crested pigeon in flight. Primary feathers are spread and the narrow eighth primary is visible. Credit Geoffrey Dabb Usage Restrictions Credit Required. 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.