Hammerhead sharks swim in a school underwater at Wolf Island in the Galapagos archipelago. The hammerheads eyes and other sensor organs are placed far apart on its wide head to give the shark greater ability to sense the location of prey.
Species: Scalloped hammerhead shark, Sphyrna lewini
Location: Wolf Island, Galapagos Islands, Ecuador
Image ID: 16271
A huge blue whale swims through the open ocean in this underwater photograph. The blue whale is the largest animal ever to live on Earth.
Species: Blue whale, Balaenoptera musculus
Image ID: 03027
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 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.
Species: Brown Pelican, Pelecanus occidentalis, Pelecanus occidentalis californicus
Location: La Jolla, California
Image ID: 30326
Blue whale skeleton in Antarctica, on the shore at Port Lockroy, Antarctica. This skeleton is composed primarily of blue whale bones, but there are believed to be bones of other baleen whales included in the skeleton as well.
Species: Blue whale, Balaenoptera musculus
Location: Port Lockroy, Antarctic Peninsula, Antarctica
Image ID: 25604
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
Vogelsang Peak (11516') at sunset, reflected in a small creek near Vogelsang High Sierra Camp in Yosemite's high country.
Location: Yosemite National Park, California
Image ID: 23202
Garibaldi swims in the kelp forest, sunlight filters through towering giant kelp plants rising from the ocean bottom to the surface, underwater.
Species: Garibaldi, Hypsypops rubicundus
Location: Catalina Island, California
Image ID: 23419
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: 25393