By federico stevanin , published on 08 November 2008 Stock photo - image ID: 1001821 As scientists of various disciplines investigate the topic of dirt eating, or more accurately clay eating, they are discovering that it is more prevalent across geographic regions and species than previously imagined. Humans, primates, dogs, cats, parrots, buffalo, deer and even fruit bats engage in clay eating or geophagia, a subset of pica. Until now it has been assumed that the animals engaging in geophagia were either malnourished or suffering from a form of obsessive compulsive disorder originating from boredom. New studies indicate that there may be other factors at work in the age old practice of clay eating. In our list of five reasons your dog eats clay, we offer up three traditional explanations as well as two new explanations that are gaining credence in the international dirt-eating research community. Eating Soil From Boredom, Habit or OCD It has been noted that bored dogs c
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