Introduction / Christina J. Campbell -- Morphology and evolution of the spider monkey, genus Ateles / Alfred L. Rosenberger ... [et al.] -- The taxonomic status of spider monkeys in the twenty-first ...
Moonlight movers: Night monkeys in Colombia adjust their movements based on lunar cycles, showing remarkable sensitivity to ambient light and canopy cover. Maternal influence: Young chimpanzees and ...
The study describes the mechanisms of communication employed by the individuals of a captive colony of Ateles fusciceps robustus studied by the author for some ten years. The signal system is compared ...