<i>Macrauchenia patachonica</i> (IMAGE) American Museum of Natural History Caption The South American native ungulate Macrauchenia patachonica had a number of remarkable adaptations, including the positioning of its nostrils high on its head. This implies that Macrauchenia may have had a mobile proboscis, as pictured here. Credit © Peter Schouten Usage Restrictions Can be used with appropriate 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.