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 10 Incredible Animal Abilities Did Humans Evolve From Apes? 25 Amazing Facts You Didn’t Know About Animals How Different Animals See The World Twenty Amazing Science Facts About Animals