Big Bird (image) Princeton University Share Print E-Mail Caption The breeding of two distinct parent species gave rise to a new lineage (termed "Big Bird" by the researchers). This lineage has been determined to be a new species. This image is of a member of the Big Bird lineage. Credit Copyright P. R. Grant Usage Restrictions Copyright P. R. Grant 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.