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Animals in Research
Monkey in imaging
Imaging technologies have greatly reduced the number of animals needed for research. In the past, animals would have had to be euthanized…
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Animals in Research
Baby titi monkey
This is a baby titi monkey with her father. Titi monkeys are highly social animals and live in family groups that include…
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Animals in Research
Marmoset MRI
Researchers view a marmoset’s MRI as part of an aging study to explore links between energy metabolism and neural function. Diseases related…
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Animals in Research
Rhesus getting treat from his caregiver
Rhesus monkeys getting treats from their caregiver at the Wisconsin National Primate Research Center. Healthy treats can include peanuts, grapes, apple slices,…
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Animals in Research
Rhesus macaque drinking water
Monkeys like this one are provided with fresh water and a variety of foods to ensure optimal health. Their housing areas are…
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Animals in Research
Mom and baby rhesus on hammock
A rhesus macaque mom climbs into a hammock with her infant at the Wisconsin National Primate Research Center. Females reach puberty at around…
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Animals in Research
Ultrasound of a pregnant Rhesus monkey that has been infected with Zika virus
Researchers perform a fetal ultrasound on a pregnant rhesus monkey to study the link between the Zika virus and birth defects. They…
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Animals in Research
Titi Monkeys
The California National Primate Research Center is home to the only active South American titi monkey breeding colonies in the world. The…
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Animals in Research
Marmoset with a Technician
Research technician prepares a pregnant female marmoset for an ultrasound at the Wisconsin National Primate Research Center. Because they are acclimated to careful handling…
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Animals in Research
Geriatric rhesus macaque
The colony of rhesus macaques at the California National Primate Research Center consists of infants to adults. Their average life span in…
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Animals in Research
Groot Having His Nails Trimmed
Groot is a male Hamadryas baboon at the Oregon National Primate Research Center. His fingernails were becoming too long resulting in accidental…
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Animals in Research
Father caring for infant
This is a father and infant titi monkey. These monkeys live in monogamous family groups that consist of the mother, father and…
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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…
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Animals in Research
Infant rhesus with stuffed toy
This infant rhesus monkey is being held by a member of the primate services staff at the California National Primate Research Center. …
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Animals in Research
Monkey play yard
Monkeys of all ages like to climb and play in the children's play structures installed in their housing areas. The bright colors…
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Animals in Research
Baby rhesus getting mini marshmallow treat
Environmental enrichment is an important part of caring for research animals. Research animals are provided with several types of enrichment to stimulate…
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Animals in Research
Baboon Playground
These baboons are needed as a model for a variety of studies, including research focused on understanding the genetics of complex diseases,…
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Animals in Research
Titi Monkey (Callicebus cupreus) Colony at the California National Primate Research Center
The California National Primate Research Center (CNPRC) is home to the nation’s only active breeding colony of South American titi monkeys (Callicebus…
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Animals in Research
Marmosets and Marshmallows
All nonhuman primates in research are provided access to enhanced care, including social, behavioral and nutritional enrichment. They often receive fruit and…
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Animals in Research
Baby rhesus with toy
Two juvenile rhesus macaques explore their environment while being observed as part of an animal enrichment and behavior study at the Wisconsin…
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Animals in Research
Marmosets and Zika
Marmosets were a critical model for understanding the effects of Zika infections on pregnant mothers. In mid-2018, six national primate research centers…
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Animals in Research
Love, Care, Progress: Inside a Nonhuman Primate Research Facility
Love, Care, Progress: Inside a Nonhuman Primate Research Facility highlights the critically important role of nonhuman primates in health research. This moving…
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Animals in Research
Trainer and Rhesus Macaque Colony
This is the Oregon National Primate Research Center Nonhuman Primate Training Specialist. She is training a monkey, Finch, in a group to…
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Animals in Research
Monkey Enrichment for Indoor Housing
Monkeys are given enrichment such as toys, swings, climbing structures and other items to increase their behavioral diversity. Many of these objects…
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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…
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Animals in Research
Monkey housing facility
These outdoor enclosures house monkeys that are on active research studies. They are socially housed and receive many types of enrichment to…
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Animals in Research
Taking a Dip in the Pool
Monkeys at the Oregon National Primate Research Center are provided with many types of environmental enrichment to simulate a natural environment. In…
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Animals in Research
Enrichment for rhesus mother and baby
A mother and juvenielle rhesus macaque climb a branch in their outdoor enclosure. They are eating zucchini, one of many vegetables provided…
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Animals in Research
Monkey Eating Oranges
Credit: Photo by Clem Spalding, Courtesy of Texas Biomedical Research Institute
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Animals in Research
Husbandry Staff Providing Enrichment for Rhesus Monkeys
Here a husbandry technician is providing food enrichment to rhesus macaques in their corral. This kind of positive interaction between monkeys and…
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Animals in Research
Touchscreen Research Method
The Oregon National Primate Research Center is currently evaluating various forms of research methods to improve traditional cognitive testing. This Rhesus macaque…
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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,…
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Animals in Research
Marmoset in his hammock
This monkey is part of a family of common marmosets in the lobby of the Wisconsin National Primate Research Center. Adult common…
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Animals in Research
Outdoor Climbing and Wheel
Nonhuman primates, like these Rhesus macaques, are naturally curious. They spend a great deal of time foraging and investigating novel objects in…
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Animals in Research
A Geriatric Wing for Marmosets
Texas Biomed’s Southwest National Primate Research Center most recently invested $2.5 million to renovate a 12,000-square-foot building to be dedicated exclusively for…
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Animals in Research
Family of monkeys with Halloween pumpkins
A family of research monkeys enjoy some Halloween pumpkins. Seasonal fruits and vegetables are provided both as nutrition and as enrichment. The…
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Animals in Research
Positive Reinforcement Training for Blood Draw
Garcia is participating in positive reinforcement training (PRT), also known as clicker training. PRT is a type of training in which animals…
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Animals in Research
Marmosets with Tech and Treats
These are common marmosets in the lobby of the Wisconsin National Primate Research Center. Dried fruit, grapes, peanuts and other "pocket treats" are…
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Animals in Research
Monkey with Halloween pumpkins
Monkeys at the California National Primate Research Center enjoy Halloween pumpkins.
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Animals in Research
Colony of rhesus macaques
These are rhesus macaques housed at the California National Primate Research Center. In the wild, and at the Center, these monkeys live…
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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…
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