Turkey Eggshells and Bones (IMAGE) Field Museum Caption Turkey eggshells and bones from an offering 1,500 years ago in Oaxaca, Mexico. Credit © Linda Nicholas, The Field Museum. Usage Restrictions Please use credit line © Linda Nicholas, The Field Museum. 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.