Anchiornis was a feathered dinosaur, about the size of a pigeon and incapable of flight. Its wings say a lot about how birds came to be.
NICHOLAS BAKALAR, NY Times: Science
Fri, 12/15/2017 - 1:17pm
Anchiornis was a feathered dinosaur, about the size of a pigeon and incapable of flight. Its wings say a lot about how birds came to be.