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
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Mountains fit for a queen
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Tracking ships on the Day of the Seafarer
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Mona Vale Rockpool, Sydney, Australia
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International Literacy Day
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Fog above the forest
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Giant kelp in the Channel Islands National Marine Sanctuary
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Boxing Day
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The mighty, mighty mushroom
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Mont-Saint-Michel, Normandy, France
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Berlin Festival of Lights
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Happy birthday, Capitol Reef National Park
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Ancient theater of Epidaurus, Greece
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Everglades National Park marks 90 years
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Sweetheart Abbey, Scotland
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A keel-billed toucan in Costa Rica
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Black History Month
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Bromo Tengger Semeru National Park, East Java, Indonesia
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Vai, Crete, Greece
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World Otter Day
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In the path of the pronghorn
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White trilliums blooming in Ontario, Canada
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World Bee Day
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Darwin Day
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Trullo buildings in Alberobello, Apulia, Italy
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Belém Tower, Lisbon, Portugal
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Native American Heritage Month
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Surf s always up in Paia
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Evidence of human habitation
Bing Wallpaper Gallery

