(IMAGE) Smithsonian Tropical Research Institute Caption Bush dogs photographed in Donoso, Colón Province, Panama, Dec. 7, 2012, 06:15. MWH Global, Inc., Minera Panama S.A.. Credit Provided by Ricardo Moreno, MWH Global, Inc., Minera Panama S.A.. Usage Restrictions Credit: MWH, MPSA 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.