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Over 60 million years ago, penguins abandoned flight for swimming. Here’s how.Around the time the dinosaurs died out, penguins became swimmers. New research reveals their aquatic evolution.
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Someone decapitated a gaggle of geese in Idaho, and wildlife officials seek answersOfficials are investigating the killing of multiple geese.
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Hundreds of the world's smallest penguins have mysteriously washed up dead. What killed them?More than 500 little penguins have washed up dead on New Zealand beaches since May, and scientists aren't exactly sure why.
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All hail the hen! Chickens were revered for centuries before they were foodThe birds were initially viewed as exotic animals.
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Why do parrots live so long?Scientists may have untangled the mystery as to why parrots have such long lifespans.
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Meet the robot keeping an eye on emperor penguins in AntarcticaA rolling robot is helping scientists to observe and record penguin behavior.
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5,000 of the world's smallest penguins waddle onto Australian beach in record-breaking paradeA nightly penguin parade takes place on Phillip Island.
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Crows and ravens took over the world because they're spookily smart (and brawny, too)The secret behind crows and ravens' global success is a combination of size and smarts, a new study finds.
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Watch amazing video of cockatoos that learn to play 'golf'Goffin's cockatoos play golf in an experiment exploring their ability to combine multiple objects into one tool.
