In the sugya: “Bi-chenafav” is read as a ribbuy that brings the hide along with the wings. Unlike an animal olah that is flayed, the bird remains with its skin.
Type of Learning
Ribbuy of the hide from “bi-chenafav.”
What Is Learned
The bird olah is not skinned; the hide remains with the wings. The verse’s reference to the wings is the source for including the skin as part of what stays on the bird when it is cleft and burned.