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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So, how long till springtime?
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Native American Heritage Day
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Visiting Ahch-To on Star Wars Day
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Fly me to the moon
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Winter in the Finnish wilds
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A river runs through it
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White Sands National Park turns 90
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Songkran—Thai New Year
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A wonder in winter
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This park is Superkilen
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Happy Pi Day!
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Fall for birding
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International Polar Bear Day
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Nursing the world to health
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Autumn in the cypress swamp
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Celebrating Pi Day
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Shi Shi Beach, Olympic National Park, Washington
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Abraham Lake, Alberta, Canada
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The Monastery of Roussanou, Greece
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First day of summer
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America s Playground by Derrick Adams
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Everyone s watching the Perseids
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What a twist
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A growing business
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World Migratory Bird Day
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D-Day remembered
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Flag Day
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Congratulations, 2019 Nobel Prize laureates!
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Vermilion Cliffs National Monument
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International Day of Friendship
Bing Wallpaper Gallery

