Hippo Warning Sign (image) University of California - San Diego Share Print E-Mail Caption At Pablo Escobar's former hacienda, tourists are warned about the dangerous presence of an expanding hippo population. Credit Courtesy of the Shurin Lab, UC San Diego Usage Restrictions Must be used in conjunction with Colombian hippo project. Share Print E-Mail 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.