The Black-Handed Spider Monkey (image) University of Texas at Austin Share Print E-Mail Caption The black-handed spider monkey sits in a tree depicting the major threats to the species' existence in its root system -- agriculture, farming. Credit Illustration by Michelle Bezanson, Santa Clara University. Usage Restrictions None 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.