Monkey with Halloween pumpkins
Monkeys at the California National Primate Research Center enjoy Halloween pumpkins.
Monkeys at the California National Primate Research Center enjoy Halloween pumpkins.
Rhesus monkeys getting treats from their caregiver at the Wisconsin National Primate Research Center. Healthy treats can include peanuts, grapes, apple slices,…
Two juvenile rhesus macaques explore their environment while being observed as part of an animal enrichment and behavior study at the Wisconsin…
Garcia is participating in positive reinforcement training (PRT), also known as clicker training. PRT is a type of training in which animals…
Credit: Photo by Clem Spalding, Courtesy of Texas Biomedical Research Institute