Special Senses

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The dog's olfaction

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Lecture Notes

Now it's often said that dogs perceive their world in nose pictures. All dogs have a sense of smell far superior to that of humans, as you can see here by comparing the size of the olfactory epithelium and the number of scent receptors. This amazing ability is useful to the dog in many ways, from tracking food to communicating with other dogs to finding the perfect spot for rolling.