Top image (IMAGE) Aarhus University Caption Texas longhorns - as shown on this picture - originated in India and the Middle East. Later they were introduced to Europe and when Columbus discovered America he brought bulls and cows. Today they are seen as a special Texan breed, but the longhorns are actually not native. Nevertheless they promote plant diversity, new research shows. Credit Ed Schipul (Wikimedia Commons) Usage Restrictions Credit must be given to the creator. Adaptations must be shared under the same terms. License CC BY-SA 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.