It is only natural for other animals to sniff butts. There is no reason for a person to sniff a cat's butt because you cannot smell the pheromones that the other cats are sniffing for.
They act horny and sniff butts
Yes, it is very normal. Cats have a strong sense of smell and are curious creatures by nature.
Dogs sniff each others butts because it is their way of saying hello
No, that's the reason why they chase their tails. ;)
sniff their butts. And say your butt smells.
most of the time they sniff each others butts like dogs, but sometimes they might chatter at each other wich is normal.
Although it hasn't been proven I would say dogs are less solitary than cats only because dogs are more outgoing and are willing to sniff butts and cats are shyer and total loners.
normal butts
Dogs Like/sniff other dog butts to get information about the dog. It is a form of communitcating.
Yes because he likes to sniff unicorn butts
When they do this they are showing that they like and trust you and want you to get to know them. If you watch a group of friendly cats, they frequently sniff each other's butts. When they were kittens, their moms kept them clean by licking their butts. So next time, you should feel complimented.
My cats have never done this, I have a few cats.