When two dogs meet, they often go straight for a whiff of each other's behind. And anyone living in a multicat household will tell you that cats regularly put their nose under their fellow felines' ...

It’s a well-known fact that dogs don’t always have the strongest sense of boundaries. These are creatures that like to lick strangers’ faces and sniff their crotches, after all. The latter behavior ...

Humans are often embarrassed when a dog trots over and starts sniffing at their groin, or pokes its snout in their butt. The dog has no idea that placing its nose in these parts of the human body ...

In a series of previous essays, I summarized the five major senses dogs use to navigate their social and nonsocial worlds either singly or by combining them into what ethologists call composite ...