Portrait of a young brown bear, pausing while grazing in tall sedge grass. Brown bears can consume 30 lbs of sedge grass daily, waiting weeks until spawning salmon fill the rivers.
Species: Brown bear, Ursus arctos
Location: Lake Clark National Park, Alaska
Image ID: 19135
Venus comb murex. Scientists speculate that the distinctively long and narrow spines are a protection against fish and other mollusks and prevent the mollusk from sinking into the soft, sandy mud where it is commonly found.
Species: Venus comb murex, Murex pecten
Image ID: 12970
Full moon rises over Seattle city skyline at dusk, Space Needle at right.
Location: Seattle, Washington
Image ID: 13661
Tiny hikers atop Sand Dunes in Death Valley National Park, California. Near Stovepipe Wells lies a region of sand dunes, some of them hundreds of feet tall.
Location: Stovepipe Wells, Death Valley National Park, California
Image ID: 15577
Hiker in North Window, sunset, western face. North Window is a natural sandstone arch 90 feet wide and 48 feet high.
Location: North Window, Arches National Park, Utah
Image ID: 18159
Scalloped hammerhead shark swims over a reef in the Galapagos Islands. 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: 16246
A great white shark swims through the clear waters of Isla Guadalupe, far offshore of the Pacific Coast of Mexico's Baja California. Guadalupe Island is host to a concentration of large great white sharks, which visit the island to feed on pinnipeds and use it as a staging area before journeying farther into the Pacific ocean.
Species: Great white shark, Carcharodon carcharias
Location: Guadalupe Island (Isla Guadalupe), Baja California, Mexico
Image ID: 19465
Sunrise breaking wave, dawn surf.
Location: California
Image ID: 27993
A SCUBA diver swims through a giant kelp forest which is tilted back by strong ocean currents. Giant kelp, the fastest plant on Earth, reaches from the rocky bottom to the ocean's surface like a submarine forest.
Species: Giant kelp, Macrocystis pyrifera
Location: San Clemente Island, California
Image ID: 01107
2006 Mavericks surf contest champion Grant Twiggy Baker of South Africa. Final round, Mavericks surf contest, February 7, 2006.
Location: Mavericks, Half Moon Bay, California
Image ID: 15299
Milky Way over the Watchman, Zion National Park. The Milky Way galaxy rises in the night sky above the the Watchman.
Location: Zion National Park, Utah
Image ID: 28586
Light Beam in Upper Antelope Slot Canyon. Thin shafts of light briefly penetrate the convoluted narrows of Upper Antelope Slot Canyon, sending piercing beams through the sandstone maze to the sand floor below.
Location: Navajo Tribal Lands, Page, Arizona
Image ID: 28570