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Brown pelican portrait, displaying winter breeding plumage with distinctive dark brown nape, yellow head feathers and red gular throat pouch.
Species: Brown Pelican, Pelecanus occidentalis, Pelecanus occidentalis californicus
Location: La Jolla, California
Image ID: 20304  

Brown pelican portrait, displaying winter breeding plumage with distinctive dark brown nape, yellow head feathers and red gular throat pouch.
Species: Brown Pelican, Pelecanus occidentalis, Pelecanus occidentalis californicus
Location: La Jolla, California
Image ID: 20309  

Brown pelican portrait, displaying winter breeding plumage with distinctive dark brown nape, yellow head feathers and red gular throat pouch.
Species: Brown Pelican, Pelecanus occidentalis, Pelecanus occidentalis californicus
Location: La Jolla, California
Image ID: 28979  

Brown pelican, winter adult breeding plumage, showing bright red gular pouch and dark brown hindneck plumage of breeding adults. This large seabird has a wingspan over 7 feet wide. The California race of the brown pelican holds endangered species status, due largely to predation in the early 1900s and to decades of poor reproduction caused by DDT poisoning.
Species: Brown Pelican, Pelecanus occidentalis, Pelecanus occidentalis californicus
Location: La Jolla, California
Image ID: 23637  

Brown pelican, winter adult breeding plumage, showing bright red gular pouch and dark brown hindneck plumage of breeding adults. This large seabird has a wingspan over 7 feet wide. The California race of the brown pelican holds endangered species status, due largely to predation in the early 1900s and to decades of poor reproduction caused by DDT poisoning.
Species: Brown Pelican, Pelecanus occidentalis, Pelecanus occidentalis californicus
Location: La Jolla, California
Image ID: 23639  

Brown pelican head throw, winter plumage, showing bright red gular pouch and dark brown hindneck plumage of breeding adults. During a bill throw, the pelican arches its neck back, lifting its large bill upward and stretching its throat pouch.
Species: Brown Pelican, Pelecanus occidentalis, Pelecanus occidentalis californicus
Location: La Jolla, California
Image ID: 20153  

Brown pelican portrait, winter mating plumage with distinctive dark brown nape and red gular throat pouch.
Species: Brown Pelican, Pelecanus occidentalis, Pelecanus occidentalis californicus
Location: La Jolla, California
Image ID: 20160  

Brown pelican portrait, displaying winter breeding plumage with distinctive dark brown nape, yellow head feathers and red gular throat pouch.
Species: Brown Pelican, Pelecanus occidentalis, Pelecanus occidentalis californicus
Location: La Jolla, California
Image ID: 20312  

Great white shark, research identification photograph. A great white shark is countershaded, with a dark gray dorsal color and light gray to white underside, making it more difficult for the shark's prey to see it as approaches from above or below in the water column. The particular undulations of the countershading line along its side, where gray meets white, is unique to each shark and helps researchers to identify individual sharks in capture-recapture studies. Guadalupe Island is host to a relatively large population of great white sharks who, through a history of video and photographs showing their countershading lines, are the subject of an ongoing study of shark behaviour, migration and population size.
Species: Great white shark, Carcharodon carcharias
Location: Guadalupe Island (Isla Guadalupe), Baja California, Mexico
Image ID: 28768  

Brown Pelican Portrait Clapping Its Jaws, dark brown hind neck brown signifying breeding status.
Species: Brown, Pelecanus occidentalis, Pelecanus occidentalis californicus
Location: La Jolla, California
Image ID: 38920  

Brown pelican portrait, displaying winter breeding plumage with distinctive dark brown nape, yellow head feathers and red gular throat pouch.
Species: Brown Pelican, Pelecanus occidentalis, Pelecanus occidentalis californicus
Location: La Jolla, California
Image ID: 22569  

Pair of adult brown pelicans displaying winter breeding plumage with distinctive dark brown nape, yellow head feathers and red gular throat pouch.
Species: Brown Pelican, Pelecanus occidentalis, Pelecanus occidentalis californicus
Location: La Jolla, California
Image ID: 20286  

Pair of adult brown pelicans displaying winter breeding plumage with distinctive dark brown nape, yellow head feathers and red gular throat pouch.
Species: Brown Pelican, Pelecanus occidentalis, Pelecanus occidentalis californicus
Location: La Jolla, California
Image ID: 20296  

Pair of adult brown pelicans displaying winter breeding plumage with distinctive dark brown nape, yellow head feathers and red gular throat pouch.
Species: Brown Pelican, Pelecanus occidentalis, Pelecanus occidentalis californicus
Location: La Jolla, California
Image ID: 20301  

The Milky Way galaxy arcs over Arch Rock on a clear evening in Joshua Tree National Park.
Location: Joshua Tree National Park, California
Image ID: 26793  

Brown pelican preening, cleaning its feathers after foraging on the ocean, with distinctive winter breeding plumage with distinctive dark brown nape, yellow head feathers and red gular throat pouch.
Species: Brown Pelican, Pelecanus occidentalis, Pelecanus occidentalis californicus
Location: La Jolla, California
Image ID: 36701  

Stephanocystis dioica (lighter yellow), southern sea palm (darker yellow) and surfgrass (green), shallow water, San Clemente Island.
Species: Southern palm kelp, Surfgrass, Eisenia arborea, Phyllospadix, Stephanocystis dioica
Location: San Clemente Island, California
Image ID: 30948  

Yellow morph California brown pelican performing a head throw, with distinctive winter breeding plumage including dark brown nape and yellow head feathers. Note the unusual yellow gular throat pouch.
Species: Brown Pelican, Pelecanus occidentalis californicus, Pelecanus occidentalis
Location: La Jolla, California
Image ID: 40109  

Brown pelican preening, cleaning its feathers after foraging on the ocean, with distinctive winter breeding plumage with distinctive dark brown nape, yellow head feathers and red gular throat pouch.
Species: Brown Pelican, Pelecanus occidentalis, Pelecanus occidentalis californicus
Location: La Jolla, California
Image ID: 36715  

Portrait of California brown pelican, with the characteristic winter mating plumage shown: red throat, yellow head and dark brown hindneck.
Species: Brown Pelican, Pelecanus occidentalis, Pelecanus occidentalis californicus
Location: La Jolla, California
Image ID: 37817  

Portrait of California brown pelican, with the characteristic winter mating plumage shown: red throat, yellow head and dark brown hindneck.
Species: Brown, Pelecanus occidentalis, Pelecanus occidentalis californicus
Location: La Jolla, California
Image ID: 37842  

Brown pelican preening, cleaning its feathers after foraging on the ocean, with distinctive winter breeding plumage with distinctive dark brown nape, yellow head feathers and red gular throat pouch.
Species: Brown Pelican, Pelecanus occidentalis, Pelecanus occidentalis californicus
Location: La Jolla, California
Image ID: 28964  

Brown pelican preening, cleaning its feathers after foraging on the ocean, with distinctive winter breeding plumage with distinctive dark brown nape, yellow head feathers and red gular throat pouch.
Species: Brown Pelican, Pelecanus occidentalis, Pelecanus occidentalis californicus
Location: La Jolla, California
Image ID: 28965  

Brown pelican portrait, displaying winter breeding plumage with distinctive dark brown nape, yellow head feathers and red gular throat pouch.
Species: Brown Pelican, Pelecanus occidentalis, Pelecanus occidentalis californicus
Location: La Jolla, California
Image ID: 29087  

Brown pelican portrait, displaying winter breeding plumage with distinctive dark brown nape, yellow head feathers and red gular throat pouch.
Species: Brown Pelican, Pelecanus occidentalis, Pelecanus occidentalis californicus
Location: La Jolla, California
Image ID: 29088  

Brown pelican stretches its neck, to keep its throat pouch limber. The characteristic winter mating plumage of the California race of brown pelican is shown, with deep red gular throat, yellow head and dark brown hindneck.
Species: Brown Pelican, Pelecanus occidentalis, Pelecanus occidentalis californicus
Location: La Jolla, California
Image ID: 36833  

California brown pelican portrait, winter mating plumage, bright red gular pouch and dark brown hindneck.
Species: Brown Pelican, Pelecanus occidentalis, Pelecanus occidentalis californicus
Location: La Jolla, California
Image ID: 18369  

Brown pelicans sparring with beaks, winter plumage, showing bright red gular pouch and dark brown hindneck plumage of breeding adults.
Species: Brown Pelican, Pelecanus occidentalis, Pelecanus occidentalis californicus
Location: La Jolla, California
Image ID: 20190  

California brown pelican portrait, on sandstone cliffs above the ocean, showing winter breeding plumage with dark brown nape, red throat and yellow head. Lit with flash, early morning before sunrise.
Species: Brown Pelican, Pelecanus occidentalis, Pelecanus occidentalis californicus
Location: La Jolla, California
Image ID: 20191  

Brown pelican head throw, winter plumage, showing bright red gular pouch and dark brown hindneck plumage of breeding adults. During a bill throw, the pelican arches its neck back, lifting its large bill upward and stretching its throat pouch.
Species: Brown Pelican, Pelecanus occidentalis, Pelecanus occidentalis californicus
Location: La Jolla, California
Image ID: 20196