Why do dogs roll in stinky stuff?

“Virtually everyone who owns a dog is familiar with this smelly habit. Whether it’s a bath in cow manure, a plunge into the nearest road kill, or a leisurely massage in a long gone fish at the beach, dogs wear foul scents the way people wear perfume. Do they just like the smell? Is it an olfactory disguise their ancestors used when hunting prey downwind?”

Click here to read the article.