Rufous-Collared Sparrow (image) American Ornithological Society Publications Office Share Print E-Mail Caption Argentina's rufous-collared sparrows are able to switch their diet between seed types as their habitat is altered by grazing. Credit M.C. Sagario Usage Restrictions with credit Share Print E-Mail 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.