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A brown pelican preening, reaching with its beak to the uropygial gland (preen gland) near the base of its tail. Preen oil from the uropygial gland is spread by the pelican's beak and back of its head to all other feathers on the pelican, helping to keep them water resistant and dry, Pelecanus occidentalis, Pelecanus occidentalis californicus, La Jolla, California A brown pelican preening, reaching with its beak to the uropygial gland (preen gland) near the base of its tail. Preen oil from the uropygial gland is spread by the pelican's beak and back of its head to all other feathers on the pelican, helping to keep them water resistant and dry, Pelecanus occidentalis, Pelecanus occidentalis californicus, La Jolla, California A brown pelican preening, reaching with its beak to the uropygial gland (preen gland) near the base of its tail. Preen oil from the uropygial gland is spread by the pelican's beak and back of its head to all other feathers on the pelican, helping to keep them water resistant and dry, Pelecanus occidentalis, Pelecanus occidentalis californicus, La Jolla, California Brown pelican preening.  After wiping its long beak on the uropygial gland near the base of its tail, the pelican spreads the preen oil on feathers about its body, helping to keep them water resistant, an important protection for a bird that spends much of its life diving in the ocean for prey, Pelecanus occidentalis, Pelecanus occidentalis californicus, La Jolla, California A brown pelican preening, reaching with its beak to the uropygial gland (preen gland) near the base of its tail.  Preen oil from the uropygial gland is spread by the pelican's beak and back of its head to all other feathers on the pelican, helping to keep them water resistant and dry.  Note adult winter breeding plumage in display, with brown neck, red gular throat pouch and yellow and white head, Pelecanus occidentalis, Pelecanus occidentalis californicus, La Jolla, California A brown pelican preening, reaching with its beak to the uropygial gland (preen gland) near the base of its tail.  Preen oil from the uropygial gland is spread by the pelican's beak and back of its head to all other feathers on the pelican, helping to keep them water resistant and dry. Adult winter non-breeding plumage showing white hindneck and red gular throat pouch, Pelecanus occidentalis, Pelecanus occidentalis californicus, La Jolla, California A brown pelican preening, reaching with its beak to the uropygial gland (preen gland) near the base of its tail.  Preen oil from the uropygial gland is spread by the pelican's beak and back of its head to all other feathers on the pelican, helping to keep them water resistant and dry.  Adult winter non-breeding plumage showing white hindneck and red gular throat pouch, Pelecanus occidentalis, Pelecanus occidentalis californicus, La Jolla, California Brown pelican preening, showing bright red gular pouch and dark brown hindneck plumage of breeding adults.  After wiping its long beak on the uropygial gland near the base of its tail, the pelican spreads the preen oil on feathers about its body, helping to keep them water resistant, an important protection for a bird that spends much of its life diving in the ocean for prey, Pelecanus occidentalis, Pelecanus occidentalis californicus, La Jolla, California A brown pelican preening, reaching with its beak to the uropygial gland (preen gland) near the base of its tail.  Preen oil from the uropygial gland is spread by the pelican's beak and back of its head to all other feathers on the pelican, helping to keep them water resistant and dry, Pelecanus occidentalis, Pelecanus occidentalis californicus, La Jolla, California A brown pelican preening, reaching with its beak to the uropygial gland (preen gland) near the base of its tail.  Preen oil from the uropygial gland is spread by the pelican's beak and back of its head to all other feathers on the pelican, helping to keep them water resistant and dry, Pelecanus occidentalis, Pelecanus occidentalis californicus, La Jolla, California Brown pelicans preening.  After wiping its long beak on the uropygial gland near the base of its tail, the pelican spreads the preen oil on feathers about its body, helping to keep them water resistant, an important protection for a bird that spends much of its life diving in the ocean for prey.  Adult winter non-breeding plumage showing white hindneck, Pelecanus occidentalis, Pelecanus occidentalis californicus, La Jolla, California Brown pelican preening.  After wiping its long beak on the uropygial gland near the base of its tail, the pelican spreads the preen oil on feathers about its body, helping to keep them water resistant, an important protection for a bird that spends much of its life diving in the ocean for prey.  Adult winter non-breeding plumage showing white hindneck and red gular throat pouch, Pelecanus occidentalis, Pelecanus occidentalis californicus, La Jolla, California A brown pelican preening, reaching with its beak to the uropygial gland (preen gland) near the base of its tail.  Preen oil from the uropygial gland is spread by the pelican's beak and back of its head to all other feathers on the pelican, helping to keep them water resistant and dry.  Note adult winter breeding plumage in display, with brown neck, red gular throat pouch and yellow and white head, Pelecanus occidentalis, Pelecanus occidentalis californicus, La Jolla, California Brown pelican preening, reaching with its beak to the uropygial gland (preen gland) near the base of its tail.  Preen oil from the uropygial gland is spread by the pelican's beak and back of its head to all other feathers on the pelican, helping to keep them water resistant and dry, Pelecanus occidentalis, Pelecanus occidentalis californicus, La Jolla, California A brown pelican preening, reaching with its beak to the uropygial gland (preen gland) near the base of its tail. Preen oil from the uropygial gland is spread by the pelican's beak and back of its head to all other feathers on the pelican, helping to keep them water resistant and dry, Pelecanus occidentalis, Pelecanus occidentalis californicus, La Jolla, California A brown pelican preening, reaching with its beak to the uropygial gland (preen gland) near the base of its tail. Preen oil from the uropygial gland is spread by the pelican's beak and back of its head to all other feathers on the pelican, helping to keep them water resistant and dry, Pelecanus occidentalis, Pelecanus occidentalis californicus, La Jolla, California A brown pelican preening, reaching with its beak to the uropygial gland (preen gland) near the base of its tail. Preen oil from the uropygial gland is spread by the pelican's beak and back of its head to all other feathers on the pelican, helping to keep them water resistant and dry, Pelecanus occidentalis, Pelecanus occidentalis californicus, La Jolla, California Brown pelican preening.  After wiping its long beak on the uropygial gland near the base of its tail, the pelican spreads the preen oil on feathers about its body, helping to keep them water resistant, an important protection for a bird that spends much of its life diving in the ocean for prey, Pelecanus occidentalis, Pelecanus occidentalis californicus, La Jolla, California A brown pelican preening, reaching with its beak to the uropygial gland (preen gland) near the base of its tail.  Preen oil from the uropygial gland is spread by the pelican's beak and back of its head to all other feathers on the pelican, helping to keep them water resistant and dry, Pelecanus occidentalis, Pelecanus occidentalis californicus, La Jolla, California A brown pelican preening, reaching with its beak to the uropygial gland (preen gland) near the base of its tail.  Preen oil from the uropygial gland is spread by the pelican's beak and back of its head to all other feathers on the pelican, helping to keep them water resistant and dry, Pelecanus occidentalis, Pelecanus occidentalis californicus, La Jolla, California A brown pelican preening, reaching with its beak to the uropygial gland (preen gland) near the base of its tail.  Preen oil from the uropygial gland is spread by the pelican's beak and back of its head to all other feathers on the pelican, helping to keep them water resistant and dry, Pelecanus occidentalis, Pelecanus occidentalis californicus, La Jolla, California A brown pelican preening, reaching with its beak to the uropygial gland (preen gland) near the base of its tail.  Preen oil from the uropygial gland is spread by the pelican's beak and back of its head to all other feathers on the pelican, helping to keep them water resistant and dry.  Adult winter non-breeding plumage showing white hindneck and red gular throat pouch, Pelecanus occidentalis, Pelecanus occidentalis californicus, La Jolla, California A brown pelican preening, reaching with its beak to the uropygial gland (preen gland) near the base of its tail.  Preen oil from the uropygial gland is spread by the pelican's beak and back of its head to all other feathers on the pelican, helping to keep them water resistant and dry, Pelecanus occidentalis, Pelecanus occidentalis californicus, La Jolla, California A brown pelican preening, reaching with its beak to the uropygial gland (preen gland) near the base of its tail.  Preen oil from the uropygial gland is spread by the pelican's beak and back of its head to all other feathers on the pelican, helping to keep them water resistant and dry, Pelecanus occidentalis, Pelecanus occidentalis californicus, La Jolla, California A brown pelican preening, reaching with its beak to the uropygial gland (preen gland) near the base of its tail.  Preen oil from the uropygial gland is spread by the pelican's beak and back of its head to all other feathers on the pelican, helping to keep them water resistant and dry, Pelecanus occidentalis, Pelecanus occidentalis californicus, La Jolla, California A brown pelican preening, reaching with its beak to the uropygial gland (preen gland) near the base of its tail.  Preen oil from the uropygial gland is spread by the pelican's beak and back of its head to all other feathers on the pelican, helping to keep them water resistant and dry, Pelecanus occidentalis, Pelecanus occidentalis californicus, La Jolla, California Brown pelican preening.  After wiping its long beak on the uropygial gland near the base of its tail, the pelican spreads the preen oil on feathers about its body, helping to keep them water resistant, an important protection for a bird that spends much of its life diving in the ocean for prey, Pelecanus occidentalis, Pelecanus occidentalis californicus, La Jolla, California Brown pelican preening.  After wiping its long beak on the uropygial gland near the base of its tail, the pelican spreads the preen oil on feathers about its body, helping to keep them water resistant, an important protection for a bird that spends much of its life diving in the ocean for prey, Pelecanus occidentalis, Pelecanus occidentalis californicus, La Jolla, California Brown pelican preening.  After wiping its long beak on the uropygial gland near the base of its tail, the pelican spreads the preen oil on feathers about its body, helping to keep them water resistant, an important protection for a bird that spends much of its life diving in the ocean for prey, Pelecanus occidentalis, Pelecanus occidentalis californicus, La Jolla, California Brown pelican preening.  After wiping its long beak on the uropygial gland near the base of its tail, the pelican spreads the preen oil on feathers about its body, helping to keep them water resistant, an important protection for a bird that spends much of its life diving in the ocean for prey, Pelecanus occidentalis, Pelecanus occidentalis californicus, La Jolla, California A brown pelican preening, reaching with its beak to the uropygial gland (preen gland) near the base of its tail.  Preen oil from the uropygial gland is spread by the pelican's beak and back of its head to all other feathers on the pelican, helping to keep them water resistant and dry, Pelecanus occidentalis, Pelecanus occidentalis californicus, La Jolla, California Brown pelican preening.  After wiping its long beak on the uropygial gland near the base of its tail, the pelican spreads the preen oil on feathers about its body, helping to keep them water resistant, an important protection for a bird that spends much of its life diving in the ocean for prey, Pelecanus occidentalis, Pelecanus occidentalis californicus, La Jolla, California Brown pelican preening.  After wiping its long beak on the uropygial gland near the base of its tail, the pelican spreads the preen oil on feathers about its body, helping to keep them water resistant, an important protection for a bird that spends much of its life diving in the ocean for prey, Pelecanus occidentalis, Pelecanus occidentalis californicus, La Jolla, California A brown pelican preening, reaching with its beak to the uropygial gland (preen gland) near the base of its tail.  Preen oil from the uropygial gland is spread by the pelican's beak and back of its head to all other feathers on the pelican, helping to keep them water resistant and dry, Pelecanus occidentalis, Pelecanus occidentalis californicus, La Jolla, California A brown pelican preening, reaching with its beak to the uropygial gland (preen gland) near the base of its tail.  Preen oil from the uropygial gland is spread by the pelican's beak and back of its head to all other feathers on the pelican, helping to keep them water resistant and dry, Pelecanus occidentalis, Pelecanus occidentalis californicus, La Jolla, California

Updated: July 13, 2020