In this video clip, Lith, a male rhesus macaque monkey, is trained to participate in a twice-daily husbandry task by following a light cue and verbal command to express water from the lixit line.  The metal head post on his head was placed while the monkey was under anesthesia.  After…

The most important task for animal caregivers is making sure animals are cared for properly.  This involves providing access to water.  Water lixits, which make water readily available to animals, are quite durable.  But on occasion, they can break or get clogged so they are checked at least twice a…

Rhesus macaque monkeys are important for studies to learn about the brain. Here you see Hydro, a male rhesus macaque, being trained to sit in a chair which can then be transported into a computer room. There, Hydro will interact with objects on a computer. This kind of study allows…

Positive reinforcement is used to train research animals to participate in essential studies. Here you see Beignet, a male rhesus macaque monkey, being rewarded as he voluntarily gets into a chair and then closes the door. These chairs are important to keep the animal safe and comfortable while also ensuring…

The California National Primate Research Center (CNPRC) is home to the nation’s only active breeding colony of South American titi monkeys (Callicebus cupreus). These animals are small, tree-dwelling primates that originate from South America.  They live in monogamous family groups.  These nonhuman primates have been important in helping us understand…