The golden lion tamarin, a striking primate of Brazil’s Atlantic Forest, has become a symbol of global wildlife conservation.

In the past week, Punch—the baby Japanese snow monkey who was reportedly abandoned by his mother and was being raised by zoo staff—has become an unlikely international celebrity. The tiny macaque, ...

The marmoset, a type of small monkey native to South America, is a research model of increasing importance for biomedical research in the United States and globally. Marmosets offer a range of ...