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Mother and calf southern right whales underwater. The calf swims close to its mother but, if the mother is accepting, the calf will be allowed to come close to the photographer and check him out.
Species: Southern Right Whale, Eubalaena australis
Location: Puerto Piramides, Chubut, Argentina
Image ID: 38313  

Southern right whale eyeballing the camera up close, Eubalaena australis. Whale lice can be seen clearly in the folds and crevices around the whales eye and lip groove.
Species: Southern Right Whale, Eubalaena australis
Location: Puerto Piramides, Chubut, Argentina
Image ID: 38401  

Huge California Sea Lion Male Underwater, a bull, patrolling his breeding harem and territory, Coronado Islands, Mexico. His sagittal crest, the bony bump on his head that distinguishes adult male sea lions, is clearly seen. This particular sea lion bears an orange tag on his left foreflipper, probably as a result of rescue and release as a young sea lion years earlier.
Species: California sea lion, Zalophus californianus
Location: Coronado Islands (Islas Coronado), Baja California, Mexico
Image ID: 38655  

Mature adult male South American sea lion and juvenile, hauled out on rocks to rest and warm in the sun, Otaria flavescens, Patagonia, Argentina.
Species: South American Sea Lion, Otaria flavescens
Location: Puerto Piramides, Chubut, Argentina
Image ID: 38363  

Lower Falls of the Yellowstone River. At 308 feet, the Lower Falls of the Yellowstone River is the tallest fall in the park. This view is from the famous and popular Artist Point on the south side of the Grand Canyon of the Yellowstone.
Location: Grand Canyon of the Yellowstone, Yellowstone National Park, Wyoming
Image ID: 07769  

Lower Falls of the Yellowstone River. At 308 feet, the Lower Falls of the Yellowstone River is the tallest fall in the park. This view is from the famous and popular Artist Point on the south side of the Grand Canyon of the Yellowstone.
Location: Grand Canyon of the Yellowstone, Yellowstone National Park, Wyoming
Image ID: 07770  

Lower Falls of the Yellowstone River. At 308 feet, the Lower Falls of the Yellowstone River is the tallest fall in the park. This view is from the famous and popular Artist Point on the south side of the Grand Canyon of the Yellowstone.
Location: Grand Canyon of the Yellowstone, Yellowstone National Park, Wyoming
Image ID: 07771  

Mother and calf southern right whales are seen here as part of a larger courtship group, with adult males interested in mating with the mother. The calf has no choice but to stay by her mother's side during the courting activities.
Species: Southern Right Whale, Eubalaena australis
Location: Puerto Piramides, Chubut, Argentina
Image ID: 38381  

El Capitan eastern face, sunrise.
Location: El Capitan, Yosemite National Park, California
Image ID: 22745  

Fletcher Peak (11407') rises above Fletcher Lake (10174'), near Vogelsang High Sierra Camp in Yosemite's high country.
Location: Yosemite National Park, California
Image ID: 23208  

Magnificent frigatebird, adult male on nest, with throat pouch inflated, a courtship display to attract females.
Species: Magnificent frigatebird, Fregata magnificens
Location: North Seymour Island, Galapagos Islands, Ecuador
Image ID: 16725  

Hammerhead sharks swim in a school underwater at Wolf Island in the Galapagos archipelago. The hammerheads eyes and other sensor organs are placed far apart on its wide head to give the shark greater ability to sense the location of prey.
Species: Scalloped hammerhead shark, Sphyrna lewini
Location: Wolf Island, Galapagos Islands, Ecuador
Image ID: 16271  

Half Dome and sunset clouds, evening.
Location: Half Dome, Yosemite National Park, California
Image ID: 28693  

Male and female southern right whales mating underwater, Eubalaena australis. The male positions himself below the female and turns upside down, so the two whales are belly-to-belly and can mate. Sand has been stirred up by the courtship activities and the water is turbid.
Species: Southern Right Whale, Eubalaena australis
Location: Puerto Piramides, Chubut, Argentina
Image ID: 38291  

Courting pair of southern right whales underwater, Eubalaena australis. In this image, the male is below and inverted (belly up) and the female is at the surface. While the posture in this photo isn't quite mating, it is a courting behavior that often precedes mating.
Species: Southern Right Whale, Eubalaena australis
Location: Puerto Piramides, Chubut, Argentina
Image ID: 38296  

Southern right whale eyeballing the camera up close, Eubalaena australis. Whale lice can be seen clearly in the folds and crevices around the whales eye and lip groove.
Species: Southern Right Whale, Eubalaena australis
Location: Puerto Piramides, Chubut, Argentina
Image ID: 38403  

Breaching southern right whale, Eubalaena australis, Patagonia.
Species: Southern Right Whale, Eubalaena australis
Location: Puerto Piramides, Chubut, Argentina
Image ID: 38281  

Vogelsang Peak (11516') at sunset, reflected in a small creek near Vogelsang High Sierra Camp in Yosemite's high country.
Location: Yosemite National Park, California
Image ID: 23202  

Magnificent frigatebird, adult female on nest.
Species: Magnificent frigatebird, Fregata magnificens
Location: North Seymour Island, Galapagos Islands, Ecuador
Image ID: 16726  

Hammerhead sharks, schooling over sand, Darwin Island, Galapagos.
Species: Scalloped hammerhead shark, Sphyrna lewini
Location: Darwin Island, Galapagos Islands, Ecuador
Image ID: 16255  

Milky Way over Tioga Lake, Yosemite National Park.
Location: Tioga Lake, Yosemite National Park, California
Image ID: 28521  

El Capitan and clouds lit by full moon, stars, evening.
Location: El Capitan, Yosemite National Park, California
Image ID: 28695  

White southern right whale calf underwater, Eubalaena australis. About five per cent of southern right whales are born white due to a condition known as grey morphism and will gradually turn dark as they age. They are not albino (which is a complete lack of pigmentation). Sometimes referred to as "brindled", the white coloration is a recessive genetic trait and only lasts a few months. Typically, but not always, white calves will become much darker as they mature but will still be somewhat lighter than normal even as adults.
Species: Southern Right Whale, Eubalaena australis
Location: Puerto Piramides, Chubut, Argentina
Image ID: 38279  

Rostrum and callosities of southern right whale, Eubalaena australis. Whale lice can be seen attached to the collosities, which are patches of thickened keratinized tissue, like calluses (thus the name). The pattern of callosities on a right whale are unique and serve as a way to identify individuals throughout their lifetime.
Species: Southern Right Whale, Eubalaena australis
Location: Puerto Piramides, Chubut, Argentina
Image ID: 38450  

Southern right whale mother and calf, aerial photo, Eubalaena australis.
Species: Southern Right Whale, Eubalaena australis
Location: Puerto Piramides, Chubut, Argentina
Image ID: 38350  

Nazca booby in flight.
Species: Nazca booby, Sula granti
Location: Wolf Island, Galapagos Islands, Ecuador
Image ID: 16681  

Upper Yosemite Falls and lunar rainbow, moonbow. A lunar rainbow (moonbow) can be seen to the left of Yosemite Falls, where the moon illuminates the spray of the falls.
Location: Yosemite Falls, Yosemite National Park, California
Image ID: 27751  

Anthias fishes school over the colorful Fijian coral reef, everything taking advantage of currents that bring planktonic food. Fiji.
Species: Anthias, Dendronephthya soft coral, Dendronephthya, Pseudanthias
Location: Vatu I Ra Passage, Bligh Waters, Viti Levu Island, Fiji
Image ID: 34747  

Southern right whale underwater, Eubalaena australis, Argentina.
Species: Southern right whale, Eubalaena australis
Location: Puerto Piramides, Chubut, Argentina
Image ID: 35907  

Southern right whale underwater, Eubalaena australis, Argentina.
Species: Southern right whale, Eubalaena australis
Location: Puerto Piramides, Chubut, Argentina
Image ID: 35917