Five-Week-Old Pups (IMAGE) University of Washington Caption Five-week-old coyote pups eat food rations during the experiment. These second-litter pups were born in 2013 to more-experienced parents, and were more likely to approach a human. Photo courtesy of the USDA National Wildlife Research Center. Credit Christopher Schell Usage Restrictions With credit 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.