Social structure in elephant herds is surprisingly complex. The adults in the herd exhibit what scientists call "reciprocal altruism." That means that elephants will act in ways that give them no direct benefit—say, protecting or feeding a calf that isn"t theirs. They do that because the other elephants in their herd will do the same for them. Maybe the elephant is a good role model for Giving Tuesday?
Giving Tuesday
Today in History
More Desktop Wallpapers:
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A bison preserve
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International Surfing Day
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Antarctica Day
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World Meteorological Day
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Nazaré Lighthouse
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Working for that cliffside view
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Merry and bright
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Celebrating freedom
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World Octopus Day
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Cenote near Puerto Aventuras, Mexico
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Back on the rise
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Everyone s watching the Perseids
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Manatees rebound
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Darwin s Arch
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Porto Cathedral, Portugal
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Ring of Brodgar, Orkney, Scotland
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Let s face it: It s World Emoji Day
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Freeze frame
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Churún Merú waterfall in Venezuela
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International Zebra Day
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Going with the floe
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Burrowing owls
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National Go Birding Day
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Brown-throated three-toed sloth in cecropia tree, Costa Rica
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Paris is photo-ready this week
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European Day of Parks
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Sand dunes in the Sahara, Algeria
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Great Backyard Bird Count
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Happy birthday to the Peak!
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Happy Boxing Day!