Home / Animals in Research / Primates Gallery Monkey play yard Location: California, USA Group: Primates Species: Rhesus macaque Monkeys of all ages like to climb and play in the children's play structures installed in their housing areas. The bright colors and interesting design enrich their environment and offer them opportunities to explore. Share this story: Animals in Research Beignet the Rhesus Macaque and Positive Reinforcement Positive reinforcement is used to train research animals to participate in essential studies. Here you see Beignet, a male rhesus macaque monkey,… Animals in Research Afi Closes the Door to His Chair Afi, a male rhesus macaque monkey, is being trained to voluntarily enter into a chair then close the door behind himself. The… Animals in Research Lith Checking His Water Lixit with a Flashlight Cue In this video clip, Lith, a male rhesus macaque monkey, is trained to participate in a twice-daily husbandry task by following a… Animals in Research Hydro Checking His Lixit on Verbal Command The most important task for animal caregivers is making sure animals are cared for properly. This involves providing access to water. Water… View More Primates