This blue shark is swimming near the Azores, a Portuguese chain of islands about 850 miles west of mainland Portugal. The inspiration for the shark"s name comes from its back color, which can vary from a light blue to a darker shade. Its slender, tapered body is propelled through the water with agility and grace by a long tail fin that sweeps from side to side. Listed as "near threatened," blue sharks are found off the coast of every continent except for Antarctica, making them the most widely distributed of all sharks. Swift and powerful swimmers, blue sharks migrate long distances. It"s common for them to swim 1,200 to 1,700 miles or even farther, following the clockwise currents of the Gulf Stream in search of food, mates, and "just right" water temperatures.
Explorer of the sea
Today in History
More Desktop Wallpapers:
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The party’s just starting
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International Polar Bear Day
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Behold the mighty Aldeyjarfoss
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Third Thai-Lao Friendship Bridge connecting Laos and Thailand
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Chapel on the rock
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Cecropia leaf and lobster claw petals in Mexico
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Dunes at White Sands National Park, New Mexico
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Happy 50th for the National Trails System!
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International Day of the Worlds Indigenous Peoples
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Wheels up in Beijing
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Celebrating National Park Week, April 21-29
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The mountain of 30,000 sakura
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Traveling warblers
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Vernazza, Cinque Terre, Liguria, Italy
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International Sloth Day
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Montreux, Switzerland, and all that jazz
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And you thought moths were boring
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International Womens Day
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Spotted owlet, Bangkok, Thailand
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Monarch butterflies in Angangueo, Mexico
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A medieval Moorish gem
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League of Nations, 100 years later
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Lake Louise, Banff National Park, Alberta
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Whales in winter
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Crimson-rumped toucanet in the Refugio Paz de Las Aves, Ecuador
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Blue hour in Trondheim, Norway
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Everglades National Park turns 75
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Sailing across the ice
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Fibonacci Day
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Oud-West, Amsterdam, Netherlands
Bing Wallpaper Gallery

