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The Ten-Month Marathon: Meet the Bird That Lives Its Whole Life in the Clouds

Of all the marvels of the natural world, few are as astonishing as the common swift (Apus apus). These small birds spend ...
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Scientists pinpoint growth of brain's cerebellum as key to evolution of bird flight

Evolutionary biologists at Johns Hopkins Medicine report they have combined PET scans of modern pigeons along with studies of dinosaur fossils to help answer an enduring question in biology: How did ...