Play is generally considered an immature affair. However, adult play is present in several
mammal species living in complex social systems. Here, I hypothesize that adult social play …

We examined the literature on the effects of habitat fragmentation and disturbance on howler
monkeys (genus Alouatta) to (1) identify different threats that may affect howlers in …

This research focuses on identifying the principal habitat characteristics that influence the
presence and abundance of mantled howlers in forest fragments. We provide information on …

Intraspecific aggression, or agonism, is a widespread intrasexual selective behavior
important to understanding animal behavioral ecology and reproductive systems. Such …

Until now, little information was known about demographic features of the regionally
endemic black howler populations living in large tracks of tropical forests. Here, we report …

Numerous animal species currently experience habitat loss and fragmentation. This might
result in behavioral and dietary adjustments, especially because fruit availability is …

Translocation—an extensively used conservation tool—is a potentially stressful event, as
animals are exposed to multiple stressors and cannot predict or control the changes in their …

Beyond the unique sound of howler monkey vocalizations, their vigorous loud calling
displays are perplexing given the otherwise sedentary lifestyle of these primates. Here we …

One of the goals of physical anthropology and primatology is to understand how primate
social systems influence the evolution of sexually selected traits. Howler monkeys provide a …

For wild primates, demography studies are increasingly recognized as necessary for
assessing the viability of vulnerable populations experiencing rapid environmental change …