He’s always sniffing Bella’s butthole. Then Bells takes a poop in the yard and he goes over and puts his nose in that too.
Very strange behavior.
I’ve noticed that GMG Mascot Beau likes to sniff butts and poops.
My View of Life on the Dock
Good Morning Gloucester 
According to the Dog Whisperer, Cesar Milan, a dog smelling another’s dog’s butt is a way of greeting & getting to know another dog. It is a form of acceptance – like a welcome.
But smelling & putting his nose in another dog’s poop? That’s a new one. LOL.
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