Rolling masks a dog's scent to sneak up on prey. It's instinctual hunting behavior.
Rolling gathers scent data about other animals in the area. Dogs explore with their nose.
Rolling spreads a dog's own scent for territorial marking purposes.
Dogs simply enjoy a good roll in something stinky. It can be fun investigation.
Dogs seek entertainment through adventure. Rolling is exciting exploration.
Some dogs learn rolling gets a big reaction. Any attention, even negative, is rewarding.
Redirect and reward with treats before rolling. Practice "leave it" command.
Curb the Behavior