According to new research on the first birds and bird-like dinosaurs (Paraves) which lived 160 to 120 million years ago, bird wings and small body size arose much earlier than scientists previously believed. Archaeopteryx lithographica, one of early birds. Image credit: H. Raab / CC BY-SA 3.0. “We were really surprised to discover that the key size shifts happened at the same time, at the origin of Paraves,” said Mr Mark Puttick from the University...
