House Sparrows at Work (IMAGE) Norwegian University of Science and Technology Caption Two female house sparrows. The female on the right has food that she will feed to the young in the nest. Credit Thomas Kvalnes, NTNU Usage Restrictions with credit and only in association with articles about this research 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.