Mammal photos

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Male elk bugling during the fall rut. Large male elk are known as bulls. Male elk have large antlers which are shed each year. Male elk engage in competitive mating behaviors during the rut, including posturing, antler wrestling and bugling, a loud series of screams which is intended to establish dominance over other males and attract females, Cervus canadensis, Mammoth Hot Springs, Yellowstone National Park, Wyoming
Male elk bugling during the fall rut. Large male elk are known as bulls. Male elk have large antlers which are shed each year. Male elk engage in competitive mating behaviors during the rut, including posturing, antler wrestling and bugling, a loud series of screams which is intended to establish dominance over other males and attract females.
Species: Elk, Cervus canadensis
Location: Mammoth Hot Springs, Yellowstone National Park, Wyoming
Image ID: 19693  
Bull elk spar to establish harems of females, Gibbon Meadow, Cervus canadensis, Gibbon Meadows, Yellowstone National Park, Wyoming
Bull elk spar to establish harems of females, Gibbon Meadow.
Species: Elk, Cervus canadensis
Location: Gibbon Meadows, Yellowstone National Park, Wyoming
Image ID: 13151  
Alaskan brown bear catching a jumping salmon, Brooks Falls, Ursus arctos, Brooks River, Katmai National Park
Alaskan brown bear catching a jumping salmon, Brooks Falls.
Species: Brown bear, Ursus arctos
Location: Brooks River, Katmai National Park, Alaska
Image ID: 17031  
A large, old brown bear (grizzly bear) wades across Brooks River. Coastal and near-coastal brown bears in Alaska can live to 25 years of age, weigh up to 1400 lbs and stand over 9 feet tall, Ursus arctos, Katmai National Park
A large, old brown bear (grizzly bear) wades across Brooks River. Coastal and near-coastal brown bears in Alaska can live to 25 years of age, weigh up to 1400 lbs and stand over 9 feet tall.
Species: Brown bear, Ursus arctos
Location: Brooks River, Katmai National Park, Alaska
Image ID: 17039  
Full grown, mature male coastal brown bear boar (grizzly bear) in sedge grass meadows, Ursus arctos, Lake Clark National Park, Alaska
Full grown, mature male coastal brown bear boar (grizzly bear) in sedge grass meadows.
Species: Brown bear, Ursus arctos
Location: Lake Clark National Park, Alaska
Image ID: 19134  
Mule deer in tall grass, fall, autumn, Odocoileus hemionus, Yellowstone National Park, Wyoming
Mule deer in tall grass, fall, autumn.
Species: Mule deer, Odocoileus hemionus
Location: Yellowstone National Park, Wyoming
Image ID: 19577  
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, Ursus arctos, Lake Clark National Park, Alaska
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  
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, Ursus americanus, Orr, Minnesota
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.
Species: American black bear, Ursus americanus
Location: Orr, Minnesota
Image ID: 18744  
Adult female moose in deep meadow grass near Christian Creek, Alces alces, Grand Teton National Park, Wyoming
Adult female moose in deep meadow grass near Christian Creek.
Species: Moose, Alces alces
Location: Christian Creek, Grand Teton National Park, Wyoming
Image ID: 13039  
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, Bison bison, Yellowstone National Park, Wyoming
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.
Species: American bison, Bison bison
Location: Yellowstone National Park, Wyoming
Image ID: 13120  
Mountain lion, Sierra Nevada foothills, Mariposa, California, Puma concolor
Mountain lion, Sierra Nevada foothills, Mariposa, California.
Species: Mountain lion, Puma concolor
Image ID: 15791  
Coyote, Sierra Nevada foothills, Mariposa, California, Canis latrans
Coyote, Sierra Nevada foothills, Mariposa, California.
Species: Coyote, Canis latrans
Image ID: 15879  
Two mature brown bears fight to establish hierarchy and fishing rights, Ursus arctos, Brooks River, Katmai National Park, Alaska
Two mature brown bears fight to establish hierarchy and fishing rights.
Species: Brown bear, Ursus arctos
Location: Brooks River, Katmai National Park, Alaska
Image ID: 17036  
Brown bear waits for salmon at Brooks Falls. Blurring of the water is caused by a long shutter speed. Brooks River, Ursus arctos, Katmai National Park, Alaska
Brown bear waits for salmon at Brooks Falls. Blurring of the water is caused by a long shutter speed. Brooks River.
Species: Brown bear, Ursus arctos
Location: Brooks River, Katmai National Park, Alaska
Image ID: 17047  
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, Ursus americanus, Orr, Minnesota
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.
Species: American black bear, Ursus americanus
Location: Orr, Minnesota
Image ID: 18741  
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, Ursus americanus, Orr, Minnesota
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.
Species: American black bear, Ursus americanus
Location: Orr, Minnesota
Image ID: 18743  
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, Ursus americanus, Orr, Minnesota
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.
Species: American black bear, Ursus americanus
Location: Orr, Minnesota
Image ID: 18745  
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, Ursus americanus, Orr, Minnesota
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.
Species: American black bear, Ursus americanus
Location: Orr, Minnesota
Image ID: 18746  
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, Ursus americanus, Orr, Minnesota
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.
Species: American black bear, Ursus americanus
Location: Orr, Minnesota
Image ID: 18747  
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, Ursus americanus, Orr, Minnesota
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.
Species: American black bear, Ursus americanus
Location: Orr, Minnesota
Image ID: 18748  
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, Ursus americanus, Orr, Minnesota
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.
Species: American black bear, Ursus americanus
Location: Orr, Minnesota
Image ID: 18749  
Brown bear walks on tide flats.  Grizzly bear, Ursus arctos, Lake Clark National Park, Alaska
Brown bear walks on tide flats. Grizzly bear.
Species: Brown bear, Ursus arctos
Location: Lake Clark National Park, Alaska
Image ID: 19136  
Juvenile female coastal brown bear (grizzly bear) grazes on sedge grass, Ursus arctos, Lake Clark National Park, Alaska
Juvenile female coastal brown bear (grizzly bear) grazes on sedge grass.
Species: Brown bear, Ursus arctos
Location: Lake Clark National Park, Alaska
Image ID: 19137  
Coastal brown bear in meadow.  The tall sedge grasses in this coastal meadow are a food source for brown bears, who may eat 30 lbs of it each day during summer while waiting for their preferred food, salmon, to arrive in the nearby rivers, Ursus arctos, Lake Clark National Park, Alaska
Coastal brown bear in meadow. The tall sedge grasses in this coastal meadow are a food source for brown bears, who may eat 30 lbs of it each day during summer while waiting for their preferred food, salmon, to arrive in the nearby rivers.
Species: Brown bear, Ursus arctos
Location: Lake Clark National Park, Alaska
Image ID: 19138  
A brown bear mother (sow) stands in tall sedge grass to look for other approaching bears that may be a threat to her cubs, Ursus arctos, Lake Clark National Park, Alaska
A brown bear mother (sow) stands in tall sedge grass to look for other approaching bears that may be a threat to her cubs.
Species: Brown bear, Ursus arctos
Location: Lake Clark National Park, Alaska
Image ID: 19139  
Coastal brown bear forages for razor clams in sand flats at extreme low tide.  Grizzly bear, Ursus arctos, Lake Clark National Park, Alaska
Coastal brown bear forages for razor clams in sand flats at extreme low tide. Grizzly bear.
Species: Brown bear, Ursus arctos
Location: Lake Clark National Park, Alaska
Image ID: 19140  
Juvenile female brown bear forages for razor clams in sand flats at extreme low tide.  Grizzly bear, Ursus arctos, Lake Clark National Park, Alaska
Juvenile female brown bear forages for razor clams in sand flats at extreme low tide. Grizzly bear.
Species: Brown bear, Ursus arctos
Location: Lake Clark National Park, Alaska
Image ID: 19141  
Coastal brown bear on sand flats at low tide, Ursus arctos, Lake Clark National Park, Alaska
Coastal brown bear on sand flats at low tide.
Species: Brown bear, Ursus arctos
Location: Lake Clark National Park, Alaska
Image ID: 19142  
Young brown bear stands in tall sedge grass to get a better view of other approaching bears, Ursus arctos, Lake Clark National Park, Alaska
Young brown bear stands in tall sedge grass to get a better view of other approaching bears.
Species: Brown bear, Ursus arctos
Location: Lake Clark National Park, Alaska
Image ID: 19143  
Coastal brown bear walking on sand beach, Ursus arctos, Lake Clark National Park, Alaska
Coastal brown bear walking on sand beach.
Species: Brown bear, Ursus arctos
Location: Lake Clark National Park, Alaska
Image ID: 19144  
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All photographs copyright © Phillip Colla / Oceanlight.com, all rights reserved worldwide.