Female Jacobin hummingbird (IMAGE) Cell Press Caption This image shows a male-like female white-necked Jacobin hummingbird being released after capture and tagging. Credit Irene Mendez Cruz Usage Restrictions Credit must be given to the creator. Only noncommercial uses of the work are permitted. Adaptations must be shared under the same terms. License CC BY-NC-SA 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.