Despite having being discovered nearly 80 years ago, bonobos (Pan paniscus) are still one of the least well understood of the great apes, largely remaining in the shadow of their better known cousins, the chimpanzees (Pan troglodytes). This is especially evident in the domain of…
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While most human language is expressed verbally, the gestures produced concurrent to speech provide additional information, help listeners interpret meaning, and provide insight into the cognitive processes of the speaker. Several theories have suggested that gesture played an i…
Whilst there has been a recent increase in interest in using positive reinforcement training for laboratory-housed primates, there remains a reluctance to put into practice training programmes. Much of this reticence seems to stem from lack of expertise in the running of trainin…
The goal of my dissertation is to clarify the evolutionary forces shaping the behavioral and hormonal profiles of male primates. I collected more than 4,000 hours of focal behavioral observation and over 700 hormonal samples on five monogamous and six polyandrous groups of wild …