House Sparrows Punch above Their Weight when It Comes to Field Studies (image) Norwegian University of Science and Technology Share Print E-Mail Caption Researchers have studied house sparrows off the Norwegian coast for more than two decades. Their most recent study shows that the more inbred the birds are, the shorter lives they live. It also decreases offspring. Credit Photo: Henrik Jensen, NTNU Usage Restrictions with proper credit and only in association with articles about this research 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.