Everything about the anatomy of a bird reflects its ability ... Airplane wings are modeled after bird wings. The bones and muscles of the wing are also highly specialized. The main bone, the ...

The bones comprising them were relatively long compared to those of related dinosaurs, and they were partially fused together. In modern birds, these bones are totally fused and, due to their ...

Evidence of avian beginnings has been elusive in the fossil record because birds' light, hollow bones rapidly decompose. So far, the oldest-known bird fossil is the famous Archaeopteryx ...