In the canine world, dogs practice the art of bottom sniffing in order to capture valuable information about the other dog. In fact it is very much considered the polite thing to do! This natural way of greeting helps them decide whether they should be friends or whether to be more weary.
Oddly enough, the canine scent glands are conveniently located in their bottoms which means the more they sniff, the more they are learning about the other dog! The practice of bottom sniffing is the equivalent of humans reading facial cues; dogs can uncover valuable information about the other dogs temperament, health, sex status, age and even what they’ve had for dinner.
So there you have it! Another interesting fact to pull out at your next dinner party!