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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Rice terraces of Mù Cang Chải, Yên Bái province, Vietnam
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International Sloth Day
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Anniversary of Pinnacles National Park, California
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In celebration of America’s national bird
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Cenote near Puerto Aventuras, Mexico
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Brotherly cubs
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Spotted owlet, Bangkok, Thailand
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A bite of ancient history
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An island for the birds
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A young jaguar on a riverbank, Pantanal, Brazil
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Legacy mural in Philadelphia
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National Aviation Day
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Watson Lake in Granite Dells, Arizona
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Bird’s-eye view of the Golden Gate Bridge, San Francisco, California
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National Park Service Founders Day
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Fat Bear Week
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Beware the Ides of March
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One for the books
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Lantern Festival
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A storied trail marks a century
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Great Backyard Bird Count
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Bonsai Rock, Lake Tahoe, Nevada
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Navajo Bridge in Marble Canyon
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Ides of March
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Take the Stairs Day
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International Rock Day
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A triumph of light
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Three Musketeers Falls at Iguazú Falls, Argentina
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World Childrens Day
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Sea Otter Awareness Week
Bing Wallpaper Gallery

