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Bird-like dinosaur forces rethink
A rooster-sized dinosaur with a long,
slender snout and wing-like limbs is
forcing a rethink on bird evolution.
The 90 million-year-old reptile belongs
to the same sickle-clawed group of
dinosaurs as Velociraptor and feathered
dinosaurs from China.
Buitreraptor gonzalezorum, from the
Neuquen Basin in central Argentina may
provide tantalising evidence that
powered flight evolved twice.
Details of the discovery appear in the
academic journal Nature.
4/8
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