Clark's Grebes Dip Shaking, a courtship behavior in which the grebes face each other and alternate dipping their beaks in the water and shaking their head, tossing water into the air. Coupled with ratchet-pointing, several rounds of dip-shaking are often an immediate precursor to rushing.
Species: Clark's Grebe, Aechmophorus clarkii
Location: Lake Wohlford, Escondido, California
Image ID: 40888
California Brown pelican in flight, soaring along sea cliffs above the ocean in La Jolla, California. The wingspan of the brown pelican is over 7 feet wide. The California race of the brown pelican holds endangered species status.
Species: Brown Pelican, Pelecanus occidentalis, Pelecanus occidentalis californicus
Image ID: 37410
Pelican yoga, Utthita Tadasana, extended mountain pose with backbend. A California brown pelican preening, rubbing the back of its head and neck on 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 breeding plumage showing brown hindneck and red gular throat pouch.
Species: Brown Pelican, Pelecanus occidentalis, Pelecanus occidentalis californicus
Location: La Jolla, California
Image ID: 38710
Yellow morph of the California brown pelican in flight. The wingspan of the brown pelican is over 7 feet wide. The California race of the brown pelican holds endangered species status. In winter months, breeding adults assume a dramatic plumage.
Species: Brown Pelican, Pelecanus occidentalis, Pelecanus occidentalis californicus
Location: La Jolla, California
Image ID: 15371
Mated pair of Brandt's Cormorants tend to the nest they have built on sea cliffs. Note the colors they assume during mating season: striking blue gular pouch (throat) along with faint blue-green iridescence in their plumage.
Species: Brandt's cormorant, Phalacrocorax penicillatus
Location: La Jolla, California
Image ID: 40130
Two Western Grebes Walk on Water, Rushing, Backlit by the Rising Sun. Grebe rushing, a courtship behavior, happens when the birds slap the lake surface up to 20 times per second, literally running across the water.
Species: Western Grebe, Aechmophorus occidentalis
Location: Lake Wohlford, Escondido, California
Image ID: 40890
Western Grebes rushing across Lake Wohlford, exhibiting a spectacular courtship behavior in which the aquatic birds literally run across the surface of the water while their feet hit the water up to 20 times per second.
Species: Western Grebe, Aechmophorus occidentalis
Location: Lake Wohlford, Escondido, California
Image ID: 41541
Spectacular Brown Pelican Head Throw Display. This California brown pelican extends its head and bill up and back, stretching its neck and pouch in a behavior known as a head throw or bill throw. Adult winter breeding plumage. Pelican yoga, High Mountain pose, Tadasan.
Species: Brown Pelican, Pelecanus occidentalis, Pelecanus occidentalis californicus
Location: La Jolla, California
Image ID: 38691