Most nonhuman primates prey on vertebrates. Meat-eating, defined as ingestion of
vertebrate tissue, occurs in 12 families,≥ 39 genera, and≥ 89 species. It is most common in …

Sexual behavior and mating patterns are described for 3 free-ranging groups of common
marmosets living in a coastal forest in northeastern Brazil. Each group contained 2 breeding …

This study tested the “challenge hypothesis” and rank-based predictions for temporal steroid
production in male tufted capuchin monkeys, Cebus apella. Fecal samples (n= 209) …

The callitrichines are best known for their suite of reproductive and behavioral
characteristics that are unusual or unique among the primates. Social suppression of …

Time constraints can limit an animal's potential to survive in a given habitat and the
maximum size of its group. Many studies have, therefore, investigated the ecological …

The woolly spider monkey, or muriqui, is one of the most threatened primate species in the
world. Because of deforestation in their natural habitat--the Atlantic coastal forests of …

Callitrichids (marmosets and tamarins) are unusual among primates in having a particularly
flexible mating system that spans monogamy, polyandry and polygamy, associated eith twin …

The numerous remarkable traits characterizing the ecology and behavior of callitrichids
have inspired considerable research and discussion of the flexible mating system (cases of …

We investigated demographic changes in three primate species (Alouatta guariba, Sapajus
nigritus, and Callithrix flaviceps) at the Reserva Particular do Patrimônio Natural–Feliciano …

The predator avoidance behaviour of a free-ranging group of buffy-headed marmosets,
Callithrix flaviceps, was recorded in detail during the course of a long-term study of …