The Rifleman (IMAGE) University of Adelaide Caption The rifleman: one of the two living species of acanthisittid wren. Credit Public Domain, William Lawry Buller (1838-1906) 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.