Compared to most other mammals and birds, anthropoid primates have unusually complex
societies characterised by bonded social groups. Among primates, this effect is …

Biologists have repeatedly rediscovered classical models from physics predicting collision
rates in an ideal gas. These models, and their two‐dimensional analogues, have been used …

In The Hadza, Frank Marlowe provides a quantitative ethnography of one of the last
remaining societies of hunter-gatherers in the world. The Hadza, who inhabit an area of East …

Although common in birds, social monogamy, or pair-living, is rare among mammals
because internal gestation and lactation in mammals makes it advantageous for males to …

AH Harcourt, a well-known professor of anthropology at the University of California, has
published papers on gorillas since 1978 and KJ Stewart has worked with him since 1987 …

The 'social brain'hypothesis has had a major impact on the study of comparative cognition.
However, despite a strong sense, gained from both experimental and observational work …

Cooperative behavior is a hallmark of the primate order. Cooperation is therefore an area of
intensive theoretical research in biology, anthropology, political sciences and economics, as …

A central assumption of baboon socio‐ecological models is that all populations have the
same capacity to react to different environments. The burden of our argument is that this …

The course of hominin evolution has involved successive migrations towards higher
absolute latitudes over the past three million years. Poorer habitat quality further from the …

A key goal of life history theory is to explain the effects of age and parity on the reproductive
success of iteroparous organisms. Age‐related patterns may be influenced by changes in …