<i>Arremon aurantiirostri<i/> (IMAGE) Proceedings of the National Academy of Sciences Caption This is an orange-billed sparrow (Arremon aurantiirostri). Credit Cagan H. Sekercioglu 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.