Brown bear cubs. These cubs are one and a half years old and have yet to leave their mother. They will be on their own and have to fend for themselves next summer.
Species: Brown bear, Ursus arctos
Location: Lake Clark National Park, Alaska
Image ID: 19150
Brown bear female sow in sedge meadow, with her three spring cubs hidden by the deep grass next to her. These cubs were born earlier in the spring and will remain with their mother for almost two years, relying on her completely for their survival.
Species: Brown bear, Ursus arctos
Location: Lake Clark National Park, Alaska
Image ID: 19154
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: 19155
Young brown bear grazes 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: 19156
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: 19157
Lazy grizzly bear naps on a log, surrounding by the grass sedge grass that is typical of the coastal region of Lake Clark National Park.
Species: Brown bear, Ursus arctos
Location: Lake Clark National Park, Alaska
Image ID: 19160
Young brown bear grazes 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: 19244
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: Madison River, Yellowstone National Park, Wyoming
Image ID: 19697
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: 19698
Elk, bull elk, adult male elk with large set of antlers. By September, this bull elk's antlers have reached their full size and the velvet has fallen off. This bull elk has sparred with other bulls for access to herds of females in estrous and ready to mate.
Species: Elk, Cervus canadensis
Location: Mammoth Hot Springs, Yellowstone National Park, Wyoming
Image ID: 19721
The Grizzly Giant Sequoia Tree in Yosemite. Giant sequoia trees (Sequoiadendron giganteum), roots spreading outward at the base of each massive tree, rise from the shaded forest floor. Mariposa Grove, Yosemite National Park.
Location: Mariposa Grove, Yosemite National Park, California
Image ID: 36401
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: Madison River, Yellowstone National Park, Wyoming
Image ID: 19700
Bull elk in sage brush with large rack of antlers during the fall rut (mating season). This bull elk has sparred with other bulls to establish his harem of females with which he hopes to mate.
Species: Elk, Cervus canadensis
Location: Mammoth Hot Springs, Yellowstone National Park, Wyoming
Image ID: 19718
The Lower Falls of the Yellowstone River drops 308 feet at the head of the Grand Canyon of the Yellowstone. A long exposure blurs the fast-flowing water. The canyon is approximately 10,000 years old, 20 miles long, 1000 ft deep, and 2500 ft wide. Its yellow, orange and red-colored walls are due to oxidation of the various iron compounds in the soil, and to a lesser degree, sulfur content.
Location: Grand Canyon of the Yellowstone, Yellowstone National Park, Wyoming
Image ID: 13338
Brown bear female sow with spring cubs. These three cubs were born earlier in the spring and will remain with their mother for almost two years, relying on her completely for their survival.
Species: Brown bear, Ursus arctos
Location: Lake Clark National Park, Alaska
Image ID: 19181