Fossil Found in Brazil Shows Birds’ Brain Development — VOA Learning English
Теми: наука й природа
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The brains of today's birds show a level of intelligence and behavioral complexity rivaled only by mammals. But scientists do not fully understand how bird brains have changed over millions of years from the form they had as dinosaurs. That understanding is now growing thanks to a fossil discovery in Brazil.
Researchers unearthed the remains, or fossil, of a head bone, or skull, of a bird species not known before. It has been named Navaornis hestiae. The fossil was in such good condition that scientists were able to create a computer image of its brain and inner ear structures. It lived in a dry area about 80 million years ago during the Cretaceous Period, near the end of the age of…
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