Airplane wings are modeled after bird wings. The bones and muscles of the wing are also highly specialized. The main bone, the humerus, which is similar to the upper arm of a mammal, is hollow ...

Examining the bird’s secondary feathers in the lab ... micro-CT scans of manakin wings and discovered that the wing bones are solid. Most birds have hollow bones, which lighten the load when ...

the Grant Animal Clinic received the bird with the high-impact trauma of the wing, where it was discovered the bird had broken one of the two bones in the forearm of its wing. Dr. Elizabeth Billings ...