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.

Feathers are of ultimate importance to birds — crucial for flying, protection from rain, heat and cold and, during nesting season, attracting mates and defending territories. No wonder, then, that ...

We are likely all familiar with preening, the well-known and important bird behavior that helps maintain feather health and hygiene. But what is allopreening? Put simply, allopreening is birds ...