In birds, preening helps maintain feather health and hygiene. Allopreening in the process of one bird preening another. Allopreening helps access difficult-to-reach spots to keep feathers well groomed ...

Scientists discovered that the preen oil gland secretions, by which all aquatic birds make their feathers waterproof, support a natural mechanism that concentrates AIVs from water onto birds' bodies.

Every feather plays an important role in a bird’s survival. This Barred Owl demonstrates how preening keeps feathers ...

Owls live dual lives: by day they primp and rest; at night they go on killing sprees. These iconic birds greet each day with meticulous preening and stretching, using razor-sharp talons to comb ...

I thought my cat was bad. The incessant licking to keep himself clean. He’s got to be the cleanest cat ever. Then I watched a northern mockingbird preening itself. It went on for as long as I could ...

Photographer Dale Bohlke captured this high-quality footage of a boreal owl preening in a forest near Duluth. Bohlke reports that boreal owls have been a common sight in Northern Minnesota this year.