Search results for Elk

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A sea otter, resting and floating on its back, in Elkhorn Slough, Enhydra lutris, Elkhorn Slough National Estuarine Research Reserve, Moss Landing, California
A sea otter, resting and floating on its back, in Elkhorn Slough.
Species: Sea otter, Enhydra lutris
Location: Elkhorn Slough National Estuarine Research Reserve, Moss Landing, California
Image ID: 21626  
A sea otter, resting on its back, grooms the fur on its head. A sea otter depends on its fur to keep it warm and afloat, and must groom its fur frequently, Enhydra lutris, Elkhorn Slough National Estuarine Research Reserve, Moss Landing, California
A sea otter, resting on its back, grooms the fur on its head. A sea otter depends on its fur to keep it warm and afloat, and must groom its fur frequently.
Species: Sea otter, Enhydra lutris
Location: Elkhorn Slough National Estuarine Research Reserve, Moss Landing, California
Image ID: 21627  
A sea otter, resting on its back, grooms the fur on its head. A sea otter depends on its fur to keep it warm and afloat, and must groom its fur frequently, Enhydra lutris, Elkhorn Slough National Estuarine Research Reserve, Moss Landing, California
A sea otter, resting on its back, grooms the fur on its head. A sea otter depends on its fur to keep it warm and afloat, and must groom its fur frequently.
Species: Sea otter, Enhydra lutris
Location: Elkhorn Slough National Estuarine Research Reserve, Moss Landing, California
Image ID: 21628  
Sea otters, resting on the surface by lying on their backs, in a group known as a raft, Enhydra lutris, Elkhorn Slough National Estuarine Research Reserve, Moss Landing, California
Sea otters, resting on the surface by lying on their backs, in a group known as a raft.
Species: Sea otter, Enhydra lutris
Location: Elkhorn Slough National Estuarine Research Reserve, Moss Landing, California
Image ID: 21635  
A sea otter mother hold her pup on her stomach as she rests floating on her back. This pup, just a few days old, probably weighs between 3 and 5 pounds. The pup still has the fluffy fur it was born with, which traps so much fur the pup cannot dive and floats like a cork, Enhydra lutris, Elkhorn Slough National Estuarine Research Reserve, Moss Landing, California
A sea otter mother hold her pup on her stomach as she rests floating on her back. This pup, just a few days old, probably weighs between 3 and 5 pounds. The pup still has the fluffy fur it was born with, which traps so much fur the pup cannot dive and floats like a cork.
Species: Sea otter, Enhydra lutris
Location: Elkhorn Slough National Estuarine Research Reserve, Moss Landing, California
Image ID: 21636  
A sea otter mother pulls her days-old pup through the water. The pup still has the fluffy fur it was born with, which traps so much fur the pup cannot dive and floats like a cork, Enhydra lutris, Elkhorn Slough National Estuarine Research Reserve, Moss Landing, California
A sea otter mother pulls her days-old pup through the water. The pup still has the fluffy fur it was born with, which traps so much fur the pup cannot dive and floats like a cork.
Species: Sea otter, Enhydra lutris
Location: Elkhorn Slough National Estuarine Research Reserve, Moss Landing, California
Image ID: 21637  
A sea otter resting, holding its paws out of the water to keep them warm and conserve body heat as it floats in cold ocean water, Enhydra lutris, Elkhorn Slough National Estuarine Research Reserve, Moss Landing, California
A sea otter resting, holding its paws out of the water to keep them warm and conserve body heat as it floats in cold ocean water.
Species: Sea otter, Enhydra lutris
Location: Elkhorn Slough National Estuarine Research Reserve, Moss Landing, California
Image ID: 21638  
A sea otter, looking at the photographer as it forages for food in Elkhorn Slough, Enhydra lutris, Elkhorn Slough National Estuarine Research Reserve, Moss Landing, California
A sea otter, looking at the photographer as it forages for food in Elkhorn Slough.
Species: Sea otter, Enhydra lutris
Location: Elkhorn Slough National Estuarine Research Reserve, Moss Landing, California
Image ID: 21639  
A sea otter eats a clam that it has taken from the shallow sandy bottom of Elkhorn Slough. Because sea otters have such a high metabolic rate, they eat up to 30% of their body weight each day in the form of clams, mussels, urchins, crabs and abalone. Sea otters are the only known tool-using marine mammal, using a stone or old shell to open the shells of their prey as they float on their backs, Enhydra lutris, Elkhorn Slough National Estuarine Research Reserve, Moss Landing, California
A sea otter eats a clam that it has taken from the shallow sandy bottom of Elkhorn Slough. Because sea otters have such a high metabolic rate, they eat up to 30% of their body weight each day in the form of clams, mussels, urchins, crabs and abalone. Sea otters are the only known tool-using marine mammal, using a stone or old shell to open the shells of their prey as they float on their backs.
Species: Sea otter, Enhydra lutris
Location: Elkhorn Slough National Estuarine Research Reserve, Moss Landing, California
Image ID: 21640  
Roosevelt elk, adult bull male with large antlers. Roosevelt elk grow to 10' and 1300 lb, eating grasses, sedges and various berries, inhabiting the coastal rainforests of the Pacific Northwest, Cervus canadensis roosevelti, Redwood National Park, California
Roosevelt elk, adult bull male with large antlers. Roosevelt elk grow to 10' and 1300 lb, eating grasses, sedges and various berries, inhabiting the coastal rainforests of the Pacific Northwest.
Species: Roosevelt elk, Cervus canadensis roosevelti
Location: Redwood National Park, California
Image ID: 25896  
Roosevelt elk, adult bull male with large antlers. Roosevelt elk grow to 10' and 1300 lb, eating grasses, sedges and various berries, inhabiting the coastal rainforests of the Pacific Northwest, Cervus canadensis roosevelti, Redwood National Park, California
Roosevelt elk, adult bull male with large antlers. Roosevelt elk grow to 10' and 1300 lb, eating grasses, sedges and various berries, inhabiting the coastal rainforests of the Pacific Northwest.
Species: Roosevelt elk, Cervus canadensis roosevelti
Location: Redwood National Park, California
Image ID: 25897  
Roosevelt elk, adult bull male with large antlers. This bull elk has recently shed the velvet that covers its antlers. While an antler is growing, it is covered with highly vascular skin called velvet, which supplies oxygen and nutrients to the growing bone; once the antler has achieved its full size, the velvet is lost and the antler's bone dies. This dead bone structure is the mature antler, which is itself shed after each mating season. Roosevelt elk grow to 10' and 1300 lb, eating grasses, sedges and various berries, inhabiting the coastal rainforests of the Pacific Northwest, Cervus canadensis roosevelti, Redwood National Park, California
Roosevelt elk, adult bull male with large antlers. This bull elk has recently shed the velvet that covers its antlers. While an antler is growing, it is covered with highly vascular skin called velvet, which supplies oxygen and nutrients to the growing bone; once the antler has achieved its full size, the velvet is lost and the antler's bone dies. This dead bone structure is the mature antler, which is itself shed after each mating season. Roosevelt elk grow to 10' and 1300 lb, eating grasses, sedges and various berries, inhabiting the coastal rainforests of the Pacific Northwest.
Species: Roosevelt elk, Cervus canadensis roosevelti
Location: Redwood National Park, California
Image ID: 25898  
Roosevelt elk, adult bull male with large antlers. Roosevelt elk grow to 10' and 1300 lb, eating grasses, sedges and various berries, inhabiting the coastal rainforests of the Pacific Northwest, Cervus canadensis roosevelti, Redwood National Park, California
Roosevelt elk, adult bull male with large antlers. Roosevelt elk grow to 10' and 1300 lb, eating grasses, sedges and various berries, inhabiting the coastal rainforests of the Pacific Northwest.
Species: Roosevelt elk, Cervus canadensis roosevelti
Location: Redwood National Park, California
Image ID: 25899  
Roosevelt elk, adult bull male with large antlers. This bull elk has recently shed the velvet that covers its antlers. While an antler is growing, it is covered with highly vascular skin called velvet, which supplies oxygen and nutrients to the growing bone; once the antler has achieved its full size, the velvet is lost and the antler's bone dies. This dead bone structure is the mature antler, which is itself shed after each mating season. Roosevelt elk grow to 10' and 1300 lb, eating grasses, sedges and various berries, inhabiting the coastal rainforests of the Pacific Northwest, Cervus canadensis roosevelti, Redwood National Park, California
Roosevelt elk, adult bull male with large antlers. This bull elk has recently shed the velvet that covers its antlers. While an antler is growing, it is covered with highly vascular skin called velvet, which supplies oxygen and nutrients to the growing bone; once the antler has achieved its full size, the velvet is lost and the antler's bone dies. This dead bone structure is the mature antler, which is itself shed after each mating season. Roosevelt elk grow to 10' and 1300 lb, eating grasses, sedges and various berries, inhabiting the coastal rainforests of the Pacific Northwest.
Species: Roosevelt elk, Cervus canadensis roosevelti
Location: Redwood National Park, California
Image ID: 25901  
Roosevelt elk, adult bull male with large antlers. Roosevelt elk grow to 10' and 1300 lb, eating grasses, sedges and various berries, inhabiting the coastal rainforests of the Pacific Northwest, Cervus canadensis roosevelti, Redwood National Park, California
Roosevelt elk, adult bull male with large antlers. Roosevelt elk grow to 10' and 1300 lb, eating grasses, sedges and various berries, inhabiting the coastal rainforests of the Pacific Northwest.
Species: Roosevelt elk, Cervus canadensis roosevelti
Location: Redwood National Park, California
Image ID: 25902  
Roosevelt elk, adult bull male with large antlers. Roosevelt elk grow to 10' and 1300 lb, eating grasses, sedges and various berries, inhabiting the coastal rainforests of the Pacific Northwest, Cervus canadensis roosevelti, Redwood National Park, California
Roosevelt elk, adult bull male with large antlers. Roosevelt elk grow to 10' and 1300 lb, eating grasses, sedges and various berries, inhabiting the coastal rainforests of the Pacific Northwest.
Species: Roosevelt elk, Cervus canadensis roosevelti
Location: Redwood National Park, California
Image ID: 25903  
Roosevelt elk, adult bull male with large antlers. Roosevelt elk grow to 10' and 1300 lb, eating grasses, sedges and various berries, inhabiting the coastal rainforests of the Pacific Northwest, Cervus canadensis roosevelti, Redwood National Park, California
Roosevelt elk, adult bull male with large antlers. Roosevelt elk grow to 10' and 1300 lb, eating grasses, sedges and various berries, inhabiting the coastal rainforests of the Pacific Northwest.
Species: Roosevelt elk, Cervus canadensis roosevelti
Location: Redwood National Park, California
Image ID: 25904  
Roosevelt elk, adult bull male with large antlers. This bull elk has recently shed the velvet that covers its antlers. While an antler is growing, it is covered with highly vascular skin called velvet, which supplies oxygen and nutrients to the growing bone; once the antler has achieved its full size, the velvet is lost and the antler's bone dies. This dead bone structure is the mature antler, which is itself shed after each mating season. Roosevelt elk grow to 10' and 1300 lb, eating grasses, sedges and various berries, inhabiting the coastal rainforests of the Pacific Northwest, Cervus canadensis roosevelti, Redwood National Park, California
Roosevelt elk, adult bull male with large antlers. This bull elk has recently shed the velvet that covers its antlers. While an antler is growing, it is covered with highly vascular skin called velvet, which supplies oxygen and nutrients to the growing bone; once the antler has achieved its full size, the velvet is lost and the antler's bone dies. This dead bone structure is the mature antler, which is itself shed after each mating season. Roosevelt elk grow to 10' and 1300 lb, eating grasses, sedges and various berries, inhabiting the coastal rainforests of the Pacific Northwest.
Species: Roosevelt elk, Cervus canadensis roosevelti
Location: Redwood National Park, California
Image ID: 25905  
Roosevelt elk, adult bull male with large antlers. This bull elk has recently shed the velvet that covers its antlers. While an antler is growing, it is covered with highly vascular skin called velvet, which supplies oxygen and nutrients to the growing bone; once the antler has achieved its full size, the velvet is lost and the antler's bone dies. This dead bone structure is the mature antler, which is itself shed after each mating season. Roosevelt elk grow to 10' and 1300 lb, eating grasses, sedges and various berries, inhabiting the coastal rainforests of the Pacific Northwest, Cervus canadensis roosevelti, Redwood National Park, California
Roosevelt elk, adult bull male with large antlers. This bull elk has recently shed the velvet that covers its antlers. While an antler is growing, it is covered with highly vascular skin called velvet, which supplies oxygen and nutrients to the growing bone; once the antler has achieved its full size, the velvet is lost and the antler's bone dies. This dead bone structure is the mature antler, which is itself shed after each mating season. Roosevelt elk grow to 10' and 1300 lb, eating grasses, sedges and various berries, inhabiting the coastal rainforests of the Pacific Northwest.
Species: Roosevelt elk, Cervus canadensis roosevelti
Location: Redwood National Park, California
Image ID: 25907  
Roosevelt elk, adult bull male with large antlers. This bull elk has recently shed the velvet that covers its antlers. While an antler is growing, it is covered with highly vascular skin called velvet, which supplies oxygen and nutrients to the growing bone; once the antler has achieved its full size, the velvet is lost and the antler's bone dies. This dead bone structure is the mature antler, which is itself shed after each mating season. Roosevelt elk grow to 10' and 1300 lb, eating grasses, sedges and various berries, inhabiting the coastal rainforests of the Pacific Northwest, Cervus canadensis roosevelti, Redwood National Park, California
Roosevelt elk, adult bull male with large antlers. This bull elk has recently shed the velvet that covers its antlers. While an antler is growing, it is covered with highly vascular skin called velvet, which supplies oxygen and nutrients to the growing bone; once the antler has achieved its full size, the velvet is lost and the antler's bone dies. This dead bone structure is the mature antler, which is itself shed after each mating season. Roosevelt elk grow to 10' and 1300 lb, eating grasses, sedges and various berries, inhabiting the coastal rainforests of the Pacific Northwest.
Species: Roosevelt elk, Cervus canadensis roosevelti
Location: Redwood National Park, California
Image ID: 25908  
Roosevelt elk, adult bull male with large antlers. This bull elk has recently shed the velvet that covers its antlers. While an antler is growing, it is covered with highly vascular skin called velvet, which supplies oxygen and nutrients to the growing bone; once the antler has achieved its full size, the velvet is lost and the antler's bone dies. This dead bone structure is the mature antler, which is itself shed after each mating season. Roosevelt elk grow to 10' and 1300 lb, eating grasses, sedges and various berries, inhabiting the coastal rainforests of the Pacific Northwest, Cervus canadensis roosevelti, Redwood National Park, California
Roosevelt elk, adult bull male with large antlers. This bull elk has recently shed the velvet that covers its antlers. While an antler is growing, it is covered with highly vascular skin called velvet, which supplies oxygen and nutrients to the growing bone; once the antler has achieved its full size, the velvet is lost and the antler's bone dies. This dead bone structure is the mature antler, which is itself shed after each mating season. Roosevelt elk grow to 10' and 1300 lb, eating grasses, sedges and various berries, inhabiting the coastal rainforests of the Pacific Northwest.
Species: Roosevelt elk, Cervus canadensis roosevelti
Location: Redwood National Park, California
Image ID: 25909  
Roosevelt elk, adult bull male with large antlers. Roosevelt elk grow to 10' and 1300 lb, eating grasses, sedges and various berries, inhabiting the coastal rainforests of the Pacific Northwest, Cervus canadensis roosevelti, Redwood National Park, California
Roosevelt elk, adult bull male with large antlers. Roosevelt elk grow to 10' and 1300 lb, eating grasses, sedges and various berries, inhabiting the coastal rainforests of the Pacific Northwest.
Species: Roosevelt elk, Cervus canadensis roosevelti
Location: Redwood National Park, California
Image ID: 25911  
Tourists get a good look at wild elk who have become somewhat habituated to human presence in Yellowstone National Park, Cervus canadensis
Tourists get a good look at wild elk who have become somewhat habituated to human presence in Yellowstone National Park.
Species: Elk, Cervus canadensis
Location: Yellowstone National Park, Wyoming
Image ID: 13161  
Tourists get a good look at wild elk who have become habituated to human presence in Yellowstone National Park, Cervus canadensis
Tourists get a good look at wild elk who have become habituated to human presence in Yellowstone National Park.
Species: Elk, Cervus canadensis
Location: Yellowstone National Park, Wyoming
Image ID: 13192  
Coyote crosses a road in front of a car. Dozens of coyotes, wolves, bears, elk and bison are killed each year in Yellowstone as they attempt to cross the roads in front of drivers who are not paying attention or speeding, Canis latrans, Yellowstone National Park, Wyoming
Coyote crosses a road in front of a car. Dozens of coyotes, wolves, bears, elk and bison are killed each year in Yellowstone as they attempt to cross the roads in front of drivers who are not paying attention or speeding.
Species: Coyote, Canis latrans
Location: Yellowstone National Park, Wyoming
Image ID: 19649  
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: 19694  
Bull elk, with large antlers, alongside female elk during rutting season, autumn. A bull will defend his harem of 20 cows or more from competing bulls and predators. Only mature bulls have large harems and breeding success peaks at about eight years of age. Bulls between two to four years and over 11 years of age rarely have harems, and spend most of the rut on the periphery of larger harems. Young and old bulls that do acquire a harem hold it later in the breeding season than do bulls in their prime. A bull with a harem rarely feeds and he may lose up to 20 percent of his body weight while he is guarding the harem, Cervus canadensis, Yellowstone National Park, Wyoming
Bull elk, with large antlers, alongside female elk during rutting season, autumn. A bull will defend his harem of 20 cows or more from competing bulls and predators. Only mature bulls have large harems and breeding success peaks at about eight years of age. Bulls between two to four years and over 11 years of age rarely have harems, and spend most of the rut on the periphery of larger harems. Young and old bulls that do acquire a harem hold it later in the breeding season than do bulls in their prime. A bull with a harem rarely feeds and he may lose up to 20 percent of his body weight while he is guarding the harem.
Species: Elk, Cervus canadensis
Location: Yellowstone National Park, Wyoming
Image ID: 19696  
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: 19705  
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, Madison River, 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: Madison River, Yellowstone National Park, Wyoming
Image ID: 19711  
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, Cervus canadensis, Mammoth Hot Springs, Yellowstone National Park, Wyoming
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: 19726  
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