8 Answers. This behaviour can become even more awkward for owners when a dog chooses to greet a human visitor by putting their head between the person’s legs and have a good sniff of their crotch. A butt sniff for dogs is like a handshake for humans. Wee Trojan. Why Do Dogs Sniff Each Other's Butts? Human, cats, other dogs. a gentle sniff - rather than prodding you with his nose there is nothing wrong with allowing a dog to greet you like this. Training can teach a dog to be a more respectable of your space. Plus, evidence shows dogs are able to sniff out human pheromones, which fluctuate, depending on hormonal changes. These dogs smell not only the dogs’ rear, but the cat’s rear, and human crotch. This tends to be around the canine ano-genital region. There are about 300 million sense receptors in their noses, versus the 5 million in human noses. If the dog prods you - don't be angry just turn a little to your side and lean or move a little into the dogs space (be calm) and the dog will normally back-off. They love all bottoms. The canine sense of smell is so powerful that dogs are famously employed in drug-sniffing operations, forensic investigations and bed bug detection. 1 0. Favourite answer. 1 decade ago. By now, we have understood that these canine creatures are smell oriented. As long as the sniff is not too intrusive - i.e. Why do dogs sniff at human bottoms? It’s a great source of information. When dogs sniff each other's butts, they aren’t just huffing stale fart fumes, but “speaking with chemicals,” as the American Chemical Society puts it. Sniffing another dog’s bottom is the canine version of Wikipedia! Dogs’ amazing sense of smell is 10,000 to 100,000 times better than humans. So, while your dog may recognise the shape of another dog by visual means, a lot more information can be gathered by sniffing them up close. Dogs' amazing sense of smell is 10,000 to 100,000 times better than humans. They also have a special part of their noses called the Jacobson's organ that lets them ignore the smell of poop when they sniff another dog's … But, why do they sniff human beings? 1 decade ago. Studies have also shown dogs to be effective at detecting health conditions like cancer and migraines. The way dogs sniff genitals of other dogs is just one example. NinaMind. because they acquire knowledge this way. This is because a dog’s anal glands contain the most potent scent. Scent is like dog speak. Why Do Dogs Smell Human Beings or Owners? When you own a dog for the first time, there are many things you have to get used to. Dogs tend to sniff where scents congregate and are dispersed. Relevance. A dog’s nose contains nearly 300 million scent receptors, compared to a human’s 5 million.In addition, the part of a dog’s brain that processes smell is 40 times greater than ours. When a dog sniffs another dog's bottom, he's actually gathering information about the other dog's gender, diet and emotional state. Lv 7. They also have a special part of their noses called the Jacobson's organ that lets them ignore the smell of … One quick sniff and a pup can learn an awful lot about her new friend (or enemy). 1 0. Before getting creeped out, understand that dogs are able to sniff out bladder cancer cells in urine, identify ovulating cows, locate bed bugs and the list goes on. Why dogs sniff other dogs The sense of smell is a dog’s primary sense. Answer Save. So, a good bottom sniff is an expedient way for your dog to find out the other dog’s gender, age, mood and much more. About her new friend ( or enemy ) receptors in their noses, versus the million... 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