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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Apple trees in spring, Germany
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Glenariff Forest Park, Northern Ireland, UK
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Life in the slow lane
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International Day of the Tropics
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Welcome to the Ring of Fire
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Beavers Bend
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Vacuum Chamber 5 at Glenn Research Center
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Vinh Hy Bay, Vietnam
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The Sonoran Desert, Arizona
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Black Fell in England s Lake District
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Old Town in Prague, Czech Republic
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Get on your bike and ride
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Ring of fire
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A river on the tundra
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Father s Day
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International Tea Day
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Surfer s paradise
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Abbey Gardens in Bury St Edmunds, England
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Lucian Blaga National Theater, Cluj-Napoca, Romania
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Water colors
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The birthplace of Cinco de Mayo
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Art over Amalfi
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Antarctica Day
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World Lizard Day
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Sweetheart Abbey, Scotland
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Over and under the delta
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Everglades National Park marks 90 years
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World Population Day
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Even nature needs a backup plan…
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Womens History Month