Common Wolf Snake (IMAGE) University of Vienna Caption The Common Wolf Snake (Lycodon capucinus) has been introduced to Christmas Island from Southeast Asia and poses a serious threat to native reptiles. Credit © Pablo García-Díaz Usage Restrictions The image may only be used with appropriate caption or credit. 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.