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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A big place to shop small
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A legend and a legendary home
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It’s NASA’s 60th birthday
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With leaves this tasty, who cares about a view?
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Honoring the fallen
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Pasadena Chalk Festival supports local arts education
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Dashing through the snow
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Happy Fathers Day!
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Taiwan yuhinas in Alishan National Scenic Area
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Windmills in Kinderdijk, the Netherlands
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Point Reyes National Seashore in California
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Over and under the delta
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Does it swim in slow motion too?
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It s time for spring
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Birthplace of Roman emperors
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Southern right whales sail home to South Africa
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The Grand Départ: Tour de France begins
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It s World Poetry Day
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Native American Heritage Month
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What happened to these clouds?
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Polar Bear Week
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International Museum Day
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African bush elephants in Namibia
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Dark Sky Week
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Village of Labro, Italy
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Anshun Bridge, Chengdu, China
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A Bengal tiger in Ranthambore National Park, India
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Aerial view of a heart-shaped field in Trittau, Germany
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Under Parisian skies
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Listening to the sea
Bing Wallpaper Gallery

