Weird Things Dogs Do , and Why They Do Them.br Weird Things Dogs Do , and Why They Do Them.br We may think we understand what br every raised ear or tail wag means, br but the behavior of a canine br often has us scratching our heads.br Dogs certainly do br strange things, br but they have br their reasons.br Butt Sniffing.br It may come off as a little awkward br or embarrassing, but to dogs, br it's a courteous way to say "hello.".br Dogs have over 150 million olfactory receptors in their nose.br This supercharged ability to smell br allows dogs to gather useful br information from newfound friends.br Hanging Out of br Moving Cars.br Canines experience sensory overload while traveling in a car. They often seem happy to have their face pummeled by wind.br Even having the windows br down only a few inches br seems to provide br enrichment and br stimulation that dogs br will seek out. , Natalie Zielinski, director of behavior br at Wisconsin Humane Society, via Best Life.br Staring at You br as They Poop.br So your dog is staring directly into br your eyes as they poop. Maybe br they want some privacy?.br Yeah, probably not.br Experts say that dogs who stare as they poop br may simply be hoping for a reward for relieving themselves outdoors, as opposed to inside.br Experts say that dogs who stare as they poop br may simply be hoping for a reward for relieving themselves outdoors, as opposed to inside.br Zooming Around br at Hyper-Speed.br FRAPS (frenetic random activity periods) br are best known as "the zoomies.".br These frenetic bursts help your br puppy to release pent-up energy.