Baby Dinosaur Handprint (IMAGE) University of Toronto Caption This is a handprint of the baby dinosaur Massospondylus from the nesting site in South Africa. This handprint shows that the hatchlings walked on all fours, whereas the adults are known to be bipedal. Credit Photo by D. Scott Usage Restrictions None 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.