By posing for us, are these red-billed oxpeckers imposing on the impala? Well, science hasn"t quite decided on this one. The relationship between parasite-eating birds and hoofed mammals was once considered a textbook example of mutualism, with oxpeckers cleaning up the ticks and fleas that bug the bigger beasts. Which is what we"d like to think is going on here.
Relationship status: It s complicated
Today in History
More Desktop Wallpapers:
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75th anniversary of the Spruce Goose
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An ancient sailing tradition takes to the water
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International Womens Day
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Dallas Latino Cultural Center for Hispanic Heritage
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Dunluce Castle, County Antrim, Northern Ireland
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Norway s Kjeragbolten boulder
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Poinsettia Day
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International Tea Day
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A bridge comes full circle
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Camels in the desert, United Arab Emirates
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A day to celebrate the sun
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Oud-West, Amsterdam, Netherlands
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Celebrating Bike to Work Week, May 14-18
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Union Square, Manhattan
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The most Instagrammable bird?
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Cuban tody, Alejandro de Humboldt National Park, Cuba
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Big Bend National Park in Texas turns 81
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It s National Mushroom Month!
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Village of Oia in Santorini, Greece
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Wildlife crossing, Wierden, Netherlands
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Carlsbad Caverns National Park in New Mexico
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Walruses in Svalbard, Norway
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Minnesota State Capitol in St. Paul, Minnesota
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World Lake Day in the Faroe Islands
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Mardi Gras
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A medieval Moorish gem
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Monarch butterflies, Pismo Beach, California
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Ancient art in the Amazon
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National Mushroom Month
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Mangrove Conservation Day
Bing Wallpaper Gallery

