Both genera are used as a model for human research in many forms: biomedical, pharmacological, physiological, behavioral/ social, etc. Members of both genera are commonly found as pets and zoo animals throughout the world. Capuchins and squirrel monkeys are hunted for food (bushmeat) in major portions of their range. In the United States captive breeding programs have been established to help supply the scientific, biomedical, and zoological communities. Squirrel monkeys were used in the space program prior to the use of human astronauts.
1. White-fronted capuchin (Cebus albifrons); 2. Bolivian squirrel monkey (Saimiri boliviensis); 3. Black-capped capuchin (Cebus apella); 4. Yellow-breasted capuchin (Cebus xanthosternos); 5. Blackish squirrel monkey (Saimiri vanzolinii); 6. Weeper capuchin (Cebus olivaceus); 7. White-throated capuchin (Cebus capucinus); 8. Red-backed squirrel monkey (Saimiri oerstedii); 9. Common squirrel monkey (Saimiri sciureus). (Illustration by Barbara Duperron)
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