Elephants in Botswana (IMAGE) University of California - Los Angeles Caption Among the main threats to elephants and other large mammals are illegal hunting, deforestation, habitat loss and human population growth. Credit Blaire Van Valkenburgh 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.