The Two Closely-Related Bird Species (image) Hokkaido University Share Print E-Mail Caption The two closely-related bird species, zebra finches (left) and owl finches (right), and their hybrid offspring (center). (Wang H. et al., PLOS Biology, November 13, 2019) Credit Wang H. et al., PLOS Biology, November 13, 2019 Usage Restrictions This image is copyrighted and can be used for reporting this research work without obtaining a permission if credited appropriately. Share Print E-Mail 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.