Previously, we examined the remarkable disparity between the intellectual capacities of human beings and primates. While our closest relatives, the chimpanzee, possess traits and characteristics that ...

Monkeys are one of the most varied types of creatures in the world. In fact, some species are so extraordinary that they can ...

Same-sex behavior is common across the animal kingdom—more than 1,500 species are estimated to have been observed engaging in same-sex behavior, from spiders and nematodes to bonobos and fish. Still, ...

Suggested Citation: "Front Matter." National Research Council. 2003. Nutrient Requirements of Nonhuman Primates: Second Revised Edition. Washington, DC: The National ...