Wood ant (IMAGE) University of Helsinki Caption Researcher at the University of Helsinki found that after multiple hybridisation events between two wood ant species, distinct hybrid populations evolved independently towards the same direction. Credit Lotta Sundström Usage Restrictions Credit to Lotta Sundström. License Original 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.