Artwork: Hawk and Sparrows (IMAGE) Cornell University Caption Sharp-shinned Hawk and European House Sparrows. Credit Artwork by Bartels Science Illustrator Jen Lobo, Cornell Lab of Ornithology. Usage Restrictions For use with articles about this research only. 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.