Thylacines (IMAGE) Cold Spring Harbor Laboratory Caption The two surviving thylacine cubs brought to the National Zoo in 1902, photographed two to three years after their arrival. One of these animals, most likely the thylacine in front, is a specimen sequenced for this study. Credit Photo courtesy of the Smithsonian Archives. 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.