Cats living in the same space. (IMAGE) PLOS Caption They live in the same space and form friendly relationships, but they might not be a tight group group-mate. Credit Koyasu et al., CC-BY 4.0 (https://creativecommons.org/licenses/by/4.0/) Usage Restrictions Credit must be given to the creator. License CC BY 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.