Take a stroll along almost any marina from Costa Rica to Alaska, and you"ll likely hear the playful barks of sea lions echo through the air. California sea lions, like the one pictured, are a common sight basking in the sun along the rocky shores of North America"s western coast. These marine mammals, belonging to the pinniped group, are often mistaken for seals. An easy way to distinguish between them is by looking at their ears—sea lions have visible flaps, seals don"t.
Sea lion in a kelp forest, Baja California, Mexico
Today in History
More Desktop Wallpapers:
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Assembling the Smithsonian
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Saskatchewan s spookier side
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Indigenous Peoples Day
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National Lighthouse Day
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Tassili n’Ajjer, Sahara, Algeria
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What happened to these clouds?
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Brown-throated three-toed sloth in cecropia tree, Costa Rica
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World Oceans Day
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Camel thorn trees, Namib-Naukluft Park, Namibia
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A young jaguar on a riverbank, Pantanal, Brazil
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Muniellos Nature Reserve
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World Bicycle Day
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International Mountain Day
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The Grand Départ: Tour de France begins
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Falling for the Canadian Rockies
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Happy International Astronomy Day!
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Halloween
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Bird’s-eye view of the Golden Gate Bridge, San Francisco, California
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National Bird Day
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Antarctica Day
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Celebrating National Park Week, April 21-29
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Diving into the underwater nirvana
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Rock formations at Sedona, Arizona
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A crush in Lavaux
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A misty morning in Brazil
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Let s ride! It s Roller Coaster Day
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International Tiger Day
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Astoria-Megler Bridge, Oregon
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Prasat Phanom Rung temple ruins, Thailand
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Languid life on the Lakes
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