To find out what sex
Dogs sniff each others butts because it is their way of saying hello
They sniff each others butts, like other dogs.
It's their from of saying 'Hello' like we shake hands
most of the time they sniff each others butts like dogs, but sometimes they might chatter at each other wich is normal.
Some think that dogs sniff each other as a way to greet one another. Others don't know. Sometimes other dogs have gotten into mischief and have an unusual scent on their fur. I hope this helped. Just note their sniffing is NOT a bad thing it's normal.
It's the same with dogs, they want to know each other's scent. If they know their scent, they won't be afraid of each other.
they sniff each others bum
Dogs smell their own butt and the butts of other dogs as a way to gather information about each other. They have special scent glands in their anal region that produce a unique odor that carries important social and health information. It's a natural behavior for dogs to sniff each other's butts as a form of communication and identification.
They're getting to know each other.
sniff each others butts and things
To communicate, lions sniff each other and roar.
They sniff each others ainal holes and urinate on each other.