SAM OGDEN / SCIENCE PHOTO LIBRARY SAM OGDEN / SCIENCE PHOTO LIBRARY
Primate research animals. Pair of caged squirrel monkeys (Saimiri sp.). These monkeys may be used to study primate behaviour & biology, the development & transmission of human diseases, or to test novel drugs. Photographed at the New England Regional Primate Research Centre, Harvard Medical School, Massachusetts, USA.
Model release not required. Property release not required.