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| Humpback whale lunge feeding on Antarctic krill, with mouth open and baleen visible. The humbpack's throat grooves are seen as its pleated throat becomes fully distended as the whale fills its mouth with krill and water. The water will be pushed out, while the baleen strains and retains the small krill. Image ID: 25648 Species: Humpback whale, Megaptera novaeangliae Location: Gerlache Strait, Antarctic Peninsula, Antarctica | Pacific harbor seal, an sand at the edge of the sea. Image ID: 26315 Species: Pacific harbor seal, Phoca vitulina richardsi Location: La Jolla, California, USA | Water falling from the fluke (tail) of a humpback whale as the whale dives to forage for food in the Santa Barbara Channel. Image ID: 27029 Species: Humpback whale, Megaptera novaeangliae Location: Santa Rosa Island, California, USA |
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| Blue whale, swimming through the open ocean. Image ID: 21248 Species: Blue whale, Balaenoptera musculus Location: La Jolla, California, USA | Blue whale. The sleek hydrodynamic shape of the enormous blue whale allows it to swim swiftly through the ocean, at times over one hundred miles in a single day. Image ID: 21250 Species: Blue whale, Balaenoptera musculus Location: La Jolla, California, USA | Fin whale underwater. The fin whale is the second longest and sixth most massive animal ever, reaching lengths of 88 feet. Image ID: 27116 Species: Fin whale, Balaenoptera physalus Location: La Jolla, California, USA |
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| Black bear walking in a grassy meadow. Black bears can live 25 years or more, and range in color from deepest black to chocolate and cinnamon brown. Adult males typically weigh up to 600 pounds. Adult females weight up to 400 pounds and reach sexual maturity at 3 or 4 years of age. Adults stand about 3' tall at the shoulder. Image ID: 18744 Species: American black bear, Ursus americanus Location: Orr, Minnesota, USA | A huge blue whale swims through the open ocean in this aerial photograph. The blue whale is the largest animal ever to live on Earth. Image ID: 02169 Species: Blue whale, Balaenoptera musculus | California sea lion and diver consider each other, underwater in the clear ocean water of Guadalupe Island. Image ID: 02251 Species: California sea lion, Zalophus californianus Location: Guadalupe Island (Isla Guadalupe), Baja California, Mexico |
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| Guadalupe fur seal pup sits on brown rocks along the coastline of Guadalupe Island. Image ID: 02441 Species: Guadalupe fur seal, Arctocephalus townsendi Location: Guadalupe Island (Isla Guadalupe), Baja California, Mexico | A northern elephant seal hovers underwater over a rocky bottom along the coastline of Guadalupe Island. Image ID: 03505 Species: Elephant seal, Mirounga angustirostris Location: Guadalupe Island (Isla Guadalupe), Baja California, Mexico | Blue whale aerial photo, with the shadow of the survey plane providing scale as to how huge the whale really is. Image ID: 02168 Species: Blue whale, Balaenoptera musculus |
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| Blue whale fluking up (raising its tail) before a dive to forage for krill, Baja California (Mexico). Image ID: 03332 Species: Blue whale, Balaenoptera musculus | Blue whale, exhaling as it surfaces from a dive, aerial photo. The blue whale is the largest animal ever to have lived on Earth, exceeding 100' in length and 200 tons in weight. Image ID: 25951 Species: Blue whale, Balaenoptera musculus Location: Redondo Beach, California, USA | Adult female moose in deep meadow grass near Christian Creek. Image ID: 13039 Species: Moose, Alces alces Location: Christian Creek, Grand Teton National Park, Wyoming, USA |
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| The bisons massive head is its most characteristic feature. Its forehead bulges because of its convex-shaped frontal bone. Its shoulder hump, dwindling bowlike to the haunches, is supported by unusually long spinal vertebrae. Over powerful neck and shoulder muscles grows a great shaggy coat of curly brown fur, and over the head, like an immense hood, grows a shock of black hair. Its forequarters are higher and much heavier than its haunches. A mature bull stands about 6 1/2 feet (2 meters) at the shoulder and weighs more than 2,000 pounds (900 kilograms). The bisons horns are short and black. In the male they are thick at the base and taper abruptly to sharp points as they curve outward and upward; the females horns are more slender. Image ID: 13120 Species: American bison, Bison bison Location: Yellowstone National Park, Wyoming, USA | Bull elephant seal exits the water to retake his position on the beach. He shows considerable scarring on his chest and proboscis from many winters fighting other males for territory and rights to a harem of females. Sandy beach rookery, winter, Central California. Image ID: 15458 Species: Elephant seal, Mirounga angustirostris Location: Piedras Blancas, San Simeon, California, USA | Mountain lion, Sierra Nevada foothills, Mariposa, California. Image ID: 15791 Species: Mountain lion, Puma concolor |
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| Coyote, Sierra Nevada foothills, Mariposa, California. Image ID: 15879 Species: Coyote, Canis latrans | Two mature brown bears fight to establish hierarchy and fishing rights. Image ID: 17036 Species: Brown bear, Ursus arctos Location: Brooks River, Katmai National Park, Alaska, USA | Brown bear waits for salmon at Brooks Falls. Blurring of the water is caused by a long shutter speed. Brooks River. Image ID: 17047 Species: Brown bear, Ursus arctos Location: Brooks River, Katmai National Park, Alaska, USA |
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| Black bear walking in a grassy meadow. Black bears can live 25 years or more, and range in color from deepest black to chocolate and cinnamon brown. Adult males typically weigh up to 600 pounds. Adult females weight up to 400 pounds and reach sexual maturity at 3 or 4 years of age. Adults stand about 3' tall at the shoulder. Image ID: 18741 Species: American black bear, Ursus americanus Location: Orr, Minnesota, USA | Black bear walking in a grassy meadow. Black bears can live 25 years or more, and range in color from deepest black to chocolate and cinnamon brown. Adult males typically weigh up to 600 pounds. Adult females weight up to 400 pounds and reach sexual maturity at 3 or 4 years of age. Adults stand about 3' tall at the shoulder. Image ID: 18743 Species: American black bear, Ursus americanus Location: Orr, Minnesota, USA | Black bear in a tree. Black bears are expert tree climbers and will ascend trees if they sense danger or the approach of larger bears, to seek a place to rest, or to get a view of their surroundings. Image ID: 18745 Species: American black bear, Ursus americanus Location: Orr, Minnesota, USA |
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| Black bear cub in a tree. Mother bears will often send their cubs up into the safety of a tree if larger bears (who might seek to injure the cubs) are nearby. Black bears have sharp claws and, in spite of their size, are expert tree climbers. Image ID: 18746 Species: American black bear, Ursus americanus Location: Orr, Minnesota, USA | Black bear in a tree. Black bears are expert tree climbers and will ascend trees if they sense danger or the approach of larger bears, to seek a place to rest, or to get a view of their surroundings. Image ID: 18747 Species: American black bear, Ursus americanus Location: Orr, Minnesota, USA | Black bear walking in a grassy meadow. Black bears can live 25 years or more, and range in color from deepest black to chocolate and cinnamon brown. Adult males typically weigh up to 600 pounds. Adult females weight up to 400 pounds and reach sexual maturity at 3 or 4 years of age. Adults stand about 3' tall at the shoulder. Image ID: 18748 Species: American black bear, Ursus americanus Location: Orr, Minnesota, USA |
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| Black bear walking in a grassy meadow. Black bears can live 25 years or more, and range in color from deepest black to chocolate and cinnamon brown. Adult males typically weigh up to 600 pounds. Adult females weight up to 400 pounds and reach sexual maturity at 3 or 4 years of age. Adults stand about 3' tall at the shoulder. Image ID: 18749 Species: American black bear, Ursus americanus Location: Orr, Minnesota, USA | Brown bear walks on tide flats. Grizzly bear. Image ID: 19136 Species: Brown bear, Ursus arctos Location: Lake Clark National Park, Alaska, USA | Juvenile female coastal brown bear (grizzly bear) grazes on sedge grass. Image ID: 19137 Species: Brown bear, Ursus arctos Location: Lake Clark National Park, Alaska, USA |
Natural History Photography Blog posts (20) related to Mammal
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