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 Empire Of The Ants See How Mosquitoes Use Six Needles To Suck Your Blood 9 Weird Ways Animals Communicate Twenty Amazing Science Facts About Animals Nature’s Most Amazing Animal Superpowers