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
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.
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
sniff each others butts and things
They sniff each others butts, like other dogs.
When dogs sniff each others butts it's like when we shake hands. It's a greeting. (Don't go around sniffing people's butts.)
It's how they greet you. It's how they say hello. It doesn't work that well for people though.
the red fox has a pointed nose so it can easily sniff around find scent marks and sniff their cubs.