Primates, like other mammals, exhibit an annual reproductive pattern that ranges from strictly
seasonal breeding to giving birth in all months of the year, but factors mediating this …

Primates as a group exhibit high reproductive costs, departing in numerous ways from
expectations derived from other mammals. Yet, there is also substantial life-history variation …

Vertebrate gut microbiota form a key component of immunity and a dynamic link between an
individual and the ecosystem. Microbiota might play a role in social systems as well …

As the influence of climate change on tropical forests becomes apparent, more studies are
needed to understand how changes in climatic variables such as rainfall are likely to affect …

Background Long-term research of known individuals is critical for understanding the
demographic and evolutionary processes that influence natural populations. Current …

Rare in mammals but more common in primates, there remains a considerable controversy
concerning whether primate species traditionally described as monogamous actually …

We present findings from 25 years of studying 13 species of sympatric primates at
Ranomafana National Park, Madagascar. Long-term studies have revealed that lemur …

Although some conservationists accept that not all species can be saved, we illustrate the
difficulty in deciding which species are dispensable. In this article, we examine the …

Direct care of offspring by the father (sire) is relatively rare in primates. Besides humans,
there are a number of species where the male is essential for the survival of offspring …

Many nonseasonally breeding mammals demonstrate some degree of synchrony in births,
which is generally associated with ecological factors that mediate fecundity. However …