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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Happy Panda Day!
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Does it swim in slow motion too?
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Extraterrestrial Culture Day
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Happy Astronomy Day!
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I ll call for pen and ink
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Red squirrel
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Tracking ships on the Day of the Seafarer
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North Cascades National Park at 50
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Mount Segla, Senja Island, Norway
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Amphitheatre of El Jem, Tunisia
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Across the great plains of Africa
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Wedded Rocks, Japan
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Happy Father s Day
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Over the boardwalk
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World Migratory Bird Day
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Patriot Day
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Road to Hana, Maui, Hawaii
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Registan Square, Samarkand, Uzbekistan
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Sequential images of a total solar eclipse
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Aura River in Turku, Finland
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Bluebells in Hertfordshire, England
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A day of service for Dr. King
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Lighting it up for Vivid Sydney
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Valley of Fire State Park, Nevada
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Going head-to-head with winter
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The Battle of the Bulge 75 years later
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Fall color sweeps across the West
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National Garden Week begins today
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Macro photograph of a migrant hawker dragonfly
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Happy Cinco de Mayo!
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