Emotions Help Animals to Make Choices (IMAGE) University of Bristol Caption Happy? Angry? Anxious? How can we measure animal emotions? Credit Oliver Burman Usage Restrictions Permission to reproduce the image is hereby granted for the use singularly and once only for publication in connection with the Proceedings of the Royal Society B paper 'An integrative and functional framework for the study of animal emotion and mood'. 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.