Graphic (IMAGE) University of East Anglia Caption Some near-extinct species should be encouraged to breed in the wild rather than in captivity - according to new research from the University of East Anglia. Captive breeding programs offer a last resort to guard against extinction of critically endangered species such as Sumatran tigers and Arabian oryx. But a new study published today in the Journal of Applied Ecology shows more should be done to prevent extinction in the wild. Credit University of East Anglia Usage Restrictions None 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.