Search results for Adult - Juvenile Difference

The leafy seadragon (Phycodurus eques) is found on the southern and western coasts of Australia. Its extravagent appendages serve only for camoflage, since it has a nearly-invisible dorsal fin that propels it slowly through the water. The leafy sea dragon is the marine emblem of South Australia.
Species: Leafy seadragon, Phycodurus eques
Location: Rapid Bay Jetty, South Australia
Image ID: 39137  

California sea lion on drift kelp paddy, underwater. This adult female California sea lion was hanging out underneath a paddy of drift kelp, well offshore the coastline of San Diego.
Species: California sea lion, Zalophus californianus
Location: San Diego, California
Image ID: 38532  

Lunar Eclipse Sequence Over Broken Hill, Torrey Pines State Reserve. While the moon lies in the full shadow of the earth (umbra) it receives only faint, red-tinged light refracted through the Earth's atmosphere. As the moon passes into the penumbra it receives increasing amounts of direct sunlight, eventually leaving the shadow of the Earth altogether. October 8, 2014.
Location: Torrey Pines State Reserve, San Diego, California
Image ID: 29412  

Spectacular Brown Pelican Head Throw Display. This California brown pelican is arching its head and neck way back, opening its mouth in a behavior known as a head throw or bill throw.
Species: Brown Pelican, Pelecanus occidentalis, Pelecanus occidentalis californicus
Location: La Jolla, California
Image ID: 38675  

California Brown Pelican head throw, stretching its throat to keep it flexible and healthy.
Species: Brown Pelican, Pelecanus occidentalis, Pelecanus occidentalis californicus
Location: La Jolla, California
Image ID: 30304  

Mariner Mountain, on the west coast of Vancouver Island, British Columbia, Canada, part of Strathcona Provincial Park, located 36 km (22 mi) north of Tofino. It is 1,771 m (5,810 ft) high, snow covered year-round and home to several glaciers.
Location: Mariner Mountain, Strathcona Provincial Park, British Columbia, Canada
Image ID: 21072  

Ocean sunfish schooling near drift kelp, soliciting cleaner fishes, open ocean, Baja California.
Species: Ocean sunfish, Mola mola
Image ID: 06304  

The Second Wave at Sunset, Vermillion Cliffs. The Second Wave, a curiously-shaped sandstone swirl, takes on rich warm tones and dramatic shadowed textures at sunset. Set in the North Coyote Buttes of Arizona and Utah, the Second Wave is characterized by striations revealing layers of sedimentary deposits, a visible historical record depicting eons of submarine geology.
Location: North Coyote Buttes, Paria Canyon-Vermilion Cliffs Wilderness, Arizona
Image ID: 28619  

A perfect Brown Pelican Head Throw with Distant Ocean in Background, bending over backwards, stretching its neck and gular pouch. Note the winter breeding plumage, yellow head, red and olive throat, pink skin around the eye, brown hind neck with some white neck side detail, gray breast and body.
Species: Brown Pelican, Pelecanus occidentalis, Pelecanus occidentalis californicus
Location: La Jolla, California
Image ID: 39873  

California brown pelican breeding plumage portrait, with brown hind neck, yellow head and bright red throat.
Species: Brown Pelican, Pelecanus occidentalis, Pelecanus occidentalis californicus
Location: La Jolla, California
Image ID: 38835  

A perfect Brown Pelican Head Throw with Distant Ocean in Background, bending over backwards, stretching its neck and gular pouch, winter adult breeding plumage coloration.
Species: Brown Pelican, Pelecanus occidentalis, Pelecanus occidentalis californicus
Location: La Jolla, California
Image ID: 38888  

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. Adult winter non-breeding plumage.
Species: Brown Pelican, Pelecanus occidentalis, Pelecanus occidentalis californicus
Location: La Jolla, California
Image ID: 28959  

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.
Species: Brown Pelican, Pelecanus occidentalis, Pelecanus occidentalis californicus
Location: La Jolla, California
Image ID: 30326  

California Brown Pelican head throw, stretching its throat to keep it flexible and healthy. Note the winter mating plumage, olive and red throat, yellow head.
Species: Brown Pelican, Pelecanus occidentalis, Pelecanus occidentalis californicus
Location: La Jolla, California
Image ID: 30336  

Bryozoan grows on a red gorgonian on rocky reef, below kelp forest, underwater. The red gorgonian is a filter-feeding temperate colonial species that lives on the rocky bottom at depths between 50 to 200 feet deep. Gorgonians are oriented at right angles to prevailing water currents to capture plankton drifting by.
Species: Red gorgonian, Leptogorgia chilensis, Lophogorgia chilensis
Location: San Clemente Island, California
Image ID: 25395  

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. Adult winter non-breeding plumage.
Species: Brown Pelican, Pelecanus occidentalis, Pelecanus occidentalis californicus
Location: La Jolla, California
Image ID: 28328  

California sea lions swim and socialize over a kelp-covered rocky reef, underwater at San Clemente Island in California's southern Channel Islands.
Species: California sea lion, Zalophus californianus
Location: San Clemente Island, California
Image ID: 02158  

Guadalupe fur seal pup sits on brown rocks along the coastline of Guadalupe Island.
Species: Guadalupe fur seal, Arctocephalus townsendi
Location: Guadalupe Island (Isla Guadalupe), Baja California, Mexico
Image ID: 02441  

A SCUBA diver swimming over a rocky reef covered with kelp, watches a brightly colored orange garibaldi fish.
Species: Garibaldi, Hypsypops rubicundus
Location: San Clemente Island, California
Image ID: 01113  

Surf grass on the rocky reef -- appearing blurred in this time exposure -- is tossed back and forth by powerful ocean waves passing by above. San Clemente Island.
Species: Surfgrass, Phyllospadix
Location: San Clemente Island, California
Image ID: 10237  

Spectacular Horseshoe Bend sunrise. The Colorado River makes a 180-degree turn at Horseshoe Bend. Here the river has eroded the Navajo sandstone for eons, digging a canyon 1100-feet deep.
Location: Horseshoe Bend, Page, Arizona
Image ID: 35939  

Male and female southern right whales mating underwater, Eubalaena australis. The male positions himself below the female and turns upside down, so the two whales are belly-to-belly and can mate. Sand has been stirred up by the courtship activities and the water is turbid.
Species: Southern Right Whale, Eubalaena australis
Location: Puerto Piramides, Chubut, Argentina
Image ID: 38291  

Young Adult Male California Sea Lion Underwater, his sagittal crest (bump on his head) is starting to be visible. In another year or two he will be large enough to challenge for his own harem and begin mating with females.
Species: California sea lion, Zalophus californianus
Location: Coronado Islands (Islas Coronado), Baja California, Mexico
Image ID: 39952  

Dune Evening Primrose bloom in Anza Borrego Desert State Park, during the 2017 Superbloom.
Species: Dune evening primrose, Oenothera deltoides
Location: Anza-Borrego Desert State Park, Borrego Springs, California
Image ID: 33184  

Two Adult Male Lions Fight to Establish Territory, Greater Masai Mara, Kenya. Both of these large males emerged from the battle with wounds, and it was not clear who prevailed.
Species: African lion, Panthera leo
Location: Mara North Conservancy, Kenya
Image ID: 39699  
Panorama dimensions: 5135 x 8390

A California Brown Pelican flying over the Pacific Ocean, spreads its large wings wide to slow down as it banks, turns in midair, to land on seacliffs in La Jolla. Winter adult non-breeding plumage.
Species: Brown Pelican, Pelecanus occidentalis californicus, Pelecanus occidentalis
Location: La Jolla, California
Image ID: 39789  

Male Brandt's Cormorant Skypointing, Courtship Display, Breeding Plumage with blue throat and white pin-feathers, La Jolla. Skypointing is an interesting courtship behavior that many birds practice. Among Brandt's Cormorants the male performs this, likely as a way of attracting a mate to the nest he has built by showing off his striking blue throat. He tips his head backward showing off his striking blue throat, and partially raises his wings. Seen here on seacliffs above the ocean.
Species: Brandt's cormorant, Phalacrocorax penicillatus
Image ID: 36801  

Brown pelican in flight with wings spread wide, slowing as it returns from the ocean to land on seacliffs, adult winter non-breeding plumage.
Species: Brown Pelican, Pelecanus occidentalis, Pelecanus occidentalis californicus
Location: La Jolla, California
Image ID: 38584  

California brown pelican winter breeding plumage portrait, this adult is gently clapping its jaws, showing brown hind neck with yellow head, red and olive throat pouch, white with yellow chevron on the breast.
Species: Brown Pelican, Pelecanus occidentalis, Pelecanus occidentalis californicus
Location: La Jolla, California
Image ID: 38692