Thursday, January 28, 2010

Why can’t ostriches fly
[ Thu, 28 Jan 2010 20:17:25 GMT ]

The largest and heaviest living bird, the ostrich is flightless and instead is built for running. As the Age of Dinosaurs came to an end, some flying birds swooped in and took up the newly available niches, foraging on the ground, eventually losing the ability to fly suggests new research.


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