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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A night on the (ghost) town
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Where the glow of the holidays lingers
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Let s face it: It s World Emoji Day
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Canadian Thanksgiving
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Brown bears in Lake Clark National Park and Preserve, Alaska
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Bluebells in Hertfordshire, England
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Happy Fathers Day!
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Squirrel Appreciation Day
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Menton, France
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A wild, craggy corner of the United States
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An unlikely friendship in the wild
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Maldives
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The most Instagrammable bird?
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Great white egret, Upper Bavaria, Germany
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Roman theater of Cartagena, Spain
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Tufa formations in Mono Lake, California
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From the mind of Frank Gehry
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The Cathedral of Florence, Italy
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Here we mark the price of freedom
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World Childrens Day
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International Surfing Day
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Serra de Tramuntana, Majorca, Spain
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A city of bridges
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Mesquite Flat Sand Dunes in Death Valley National Park, California
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Things are looking up
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Once upon a midafternoon dreary…
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Siblings Day
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Trevi in bloom
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Asteroid Day
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International Moon Day
Bing Wallpaper Gallery

