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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. Image ID: 19698 Species: Elk, Cervus canadensis Location: Mammoth Hot Springs, Yellowstone National Park, Wyoming, USA | 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. Image ID: 19721 Species: Elk, Cervus canadensis Location: Mammoth Hot Springs, Yellowstone National Park, Wyoming, USA | California sea lion, underwater at Santa Barbara Island. Santa Barbara Island, 38 miles off the coast of southern California, is part of the Channel Islands National Marine Sanctuary and Channel Islands National Park. It is home to a large population of sea lions. Image ID: 23418 Species: California sea lion, Zalophus californianus Location: Santa Barbara Island, California, USA |
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| Coastal brown bear (grizzly bear) walks sedge grass meadow near Silver Salmon Creek. Image ID: 19145 Species: Brown bear, Ursus arctos Location: Lake Clark National Park, Alaska, USA | Blue whale. The entire body of a huge blue whale is seen in this image, illustrating its hydronamic and efficient shape. Image ID: 21251 Species: Blue whale, Balaenoptera musculus Location: La Jolla, California, USA | Blue whale. The entire body of a huge blue whale is seen in this image, illustrating its hydronamic and efficient shape. Image ID: 21252 Species: Blue whale, Balaenoptera musculus Location: La Jolla, California, USA |
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| A humpback whale raises it fluke out of the water, the coast of Del Mar and La Jolla is visible in the distance. Image ID: 27142 Species: Humpback whale, Megaptera novaeangliae Location: Del Mar, California, USA | Blue whale and San Onofre Nuclear Power generating station, raising fluke prior to diving for food, fluking up, lifting its tail as it swims in the open ocean foraging for food. Image ID: 27337 Species: Blue whale, Balaenoptera musculus Location: Dana Point, California, USA | Black bear portrait. American black bears range in color from deepest black to chocolate and cinnamon brown. They prefer forested and meadow environments. This bear still has its thick, full winter coat, which will be shed soon with the approach of summer. Image ID: 18742 Species: American black bear, Ursus americanus Location: Orr, Minnesota, USA |
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| Grizzly bear, autumn, fall, brown grasses. Image ID: 19614 Species: Grizzly bear, Ursus arctos horribilis Location: Lamar Valley, Yellowstone National Park, Wyoming, USA | A male moose, bull moose, on snow covered field, near Cooke City. Image ID: 19680 Species: Moose, Alces alces Location: Yellowstone National Park, Wyoming, USA | Pacific white sided dolphin carrying drift kelp. Image ID: 00043 Species: Pacific white-sided dolphin, Lagenorhynchus obliquidens Location: San Diego, California, USA |
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| A Pacific harbor seal hauls out on a rock. This group of harbor seals, which has formed a breeding colony at a small but popular beach near San Diego, is at the center of considerable controversy. While harbor seals are protected from harassment by the Marine Mammal Protection Act and other legislation, local interests would like to see the seals leave so that people can resume using the beach. Image ID: 00940 Species: Pacific harbor seal, Phoca vitulina richardsi Location: La Jolla, California, USA | Northern fur seal swims through the cold waters and kelp forest of San Miguel Island, in California's northern Channel Islands. Image ID: 00966 Species: Northern fur seal, Callorhinus ursinus Location: San Miguel Island, California, USA | A neonate gray whale calf, born just hours before, still exhbiting embryonic folds in the skin along its side. This baby gray whale was born in the cold waters of Big Sur, far to the north of the Mexican lagoons of Baja California where most gray whale births take place. Image ID: 01135 Species: Gray whale, Eschrichtius robustus Location: Monterey, California, USA |
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| California sea lions swim and socialize over a kelp-covered rocky reef, underwater at San Clemente Island in California's southern Channel Islands. Image ID: 02031 Species: California sea lion, Zalophus californianus Location: San Clemente Island, California, USA | California sea lions, Coronado Islands. Image ID: 02151 Species: California sea lion, Zalophus californianus Location: Coronado Islands (Islas Coronado), Baja California, Mexico | California sea lions swim and socialize over a kelp-covered rocky reef, underwater at San Clemente Island in California's southern Channel Islands. Image ID: 02159 Species: California sea lion, Zalophus californianus Location: San Clemente Island, California, USA |
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| California sea lions, Coronado Islands. Image ID: 02160 Species: California sea lion, Zalophus californianus Location: Coronado Islands (Islas Coronado), Baja California, Mexico | A blue whale spouts at sunset. The blow, or spout, of a blue whale can reach 30 feet into the air. The blue whale is the largest animal ever to live on earth. Image ID: 02217 Species: Blue whale, Balaenoptera musculus | Galapagos sea lion playing with puffer fish. Image ID: 02252 Species: Galapagos sea lion, Zalophus californianus wollebacki, Zalophus californianus wollebaeki Location: Cousins, Galapagos Islands, Ecuador |
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| Guadalupe fur seal mother and pup. Image ID: 02440 Species: Guadalupe fur seal, Arctocephalus townsendi Location: Guadalupe Island (Isla Guadalupe), Baja California, Mexico | Two Florida manatees, or West Indian Manatees, swim together in the clear waters of Crystal River. Florida manatees are endangered. Image ID: 02628 Species: West Indian manatee, Trichechus manatus Location: Three Sisters Springs, Crystal River, Florida, USA | Two Florida manatees, or West Indian Manatees, swim together in the clear waters of Crystal River. Florida manatees are endangered. Image ID: 02629 Species: West Indian manatee, Trichechus manatus Location: Three Sisters Springs, Crystal River, Florida, USA |
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| A Florida manatee, or West Indian Manatee, hovers in the clear waters of Crystal River. Image ID: 02653 Species: West Indian manatee, Trichechus manatus Location: Three Sisters Springs, Crystal River, Florida, USA | A Florida manatee, or West Indian Manatee, hovers in the clear waters of Crystal River. Image ID: 02654 Species: West Indian manatee, Trichechus manatus Location: Three Sisters Springs, Crystal River, Florida, USA | Pacific harbor seal swims in the protected waters of Childrens Pool in La Jolla, California. This group of harbor seals, which has formed a breeding colony at a small but popular beach near San Diego, is at the center of considerable controversy. While harbor seals are protected from harassment by the Marine Mammal Protection Act and other legislation, local interests would like to see the seals leave so that people can resume using the beach. Image ID: 03018 Species: Pacific harbor seal, Phoca vitulina richardsi Location: La Jolla, California, USA |
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| North Pacific humpback whale, escort in competitive group makes fast close pass. Image ID: 06057 Species: Humpback whale, Megaptera novaeangliae Location: Maui, Hawaii, USA | California sea lions, socializing/resting, Webster Point rookery, Santa Barbara Island, Channel Islands National Marine Sanctuary. Image ID: 06284 Species: California sea lion, Zalophus californianus Location: Santa Barbara Island, California, USA | California sea lion underwater. Image ID: 27423 Species: California sea lion, Zalophus californianus Location: Sea of Cortez, Baja California, Mexico |
Natural History Photography Blog posts (20) related to Mammal
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