Secretarybird (IMAGE) University of Helsinki Caption Secretarybird (Sagittarius serpentarius) in the Kalahari Desert. The species is threatened by human intrusion and disturbance according to the IUCN Red List. Credit Anna Hausmann 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.