User:Jason rahimzadeh/sandbox
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Social grooming relationships has been proven to provide direct fitness benefits to a variety of species. In particular, the Papio cynocephalus baboon species has been studied extensively, with researchers showing an increase in fitness parameters as a result of social bonds formed through social grooming behavior. One study1 (http://amboselibaboons.nd.edu/assets/81624/168.pdf), which collected 16 years of behavioral data on wild baboons, highlights the effect that sociality has on infant survival. These study established a positive relationship between infant survival to 1 year and a composite sociality index, a measure of sociality based on proximity and social grooming.