Beak length variety in the grandchildren (IMAGE) University of Utah Caption High resolution scans of the grandchildren of the Racing Homer and German Owl cross. The animation shows the variety of beak lengths from shortest to longest. Credit Elena Boer 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.