The Brown Pelican, Pelecanus occidentalis, preens by spreading oil from its uropygial gland near the base of its tail across its feathers with its beak. The oil helps the feathers be water resistant.

Royalty-free stock photo ID: 89567017

The Brown Pelican, Pelecanus occidentalis, preens by spreading oil from its uropygial gland near the base of its tail across its feathers with its beak. The oil helps the feathers be water resistant.