Home > Animals & Plants > Why Do Dogs Smell Each Other’s Butt? Why Do Dogs Smell Each Other’s Butt? Animals & Plants Share on Pinterest A dog’s sense of smell is at least 10,000 times more sensitive than yours or mine; so why do they use this increased sense of picking out odors to smell each other’s butts? Share on Pinterest Related Posts The Science Of Cuteness | Amazing Science Facts, Vlogs And Experiments 10 unique animals you won’t believe exist How Do Chameleons Change Color? Empire Of The Ants The Five Biggest Trees on Earth