Home > Plants & Animals > Why Do Dogs Smell Each Other’s Butt? Why Do Dogs Smell Each Other’s Butt? Plants & Animals 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 Abnormally Large Animals That Are Actually Exist See How Mosquitoes Use Six Needles To Suck Your Blood Why Do Venomous Animals Live In Warm Climates? Why Are The Bees Dying? Did Humans Evolve From Apes?