Nutcracking capuchins are mentioned in reports dating as far back as the sixteenth century,
1, 2 as well as in Brazilian folklore. 3 However, it was barely a decade ago that …

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 …

La primera edición de Primates de Colombia fue un gran éxito y me sentí satisfecho por los
abundantes comentarios y preguntas; últimamente me ha tocado decirles a quienes vienen …

The spontaneous use of stone tools for cracking nuts by tufted capuchin monkeys, now
known to be habitual among wild populations in savanna environments, was first described …

The present work is part of a decade-long study on the spontaneous use of stones for
cracking hard-shelled nuts by a semi-free-ranging group of brown capuchin monkeys …

How do capuchin monkeys learn to use stones to crack open nuts? Perception–action
theory posits that individuals explore producing varying spatial and force relations among …

Eye gaze is an important source of information for animals, implicated in communication,
cooperation, hunting and antipredator behaviour. Gaze perception and its cognitive …

Vertebrate predation was a vital behavior during human evolution. Some Afro-Eurasian
primates, such as baboons (Papio spp.) and chimpanzees (Pan troglodytes), frequently hunt …

Toxoplasmosis is a parasitic disease affecting warm-blooded vertebrates and caused by
Toxoplasma gondii. For most hosts, infection with T. gondii is unapparent or produces subtle …

As observações ocorreram no período de dois anos, monitorando grupos marcados de
sagüis durante oito horas por dia. Foram registrados seis tipos de eventos: predação de …