👉 Griffonage is a term used in the context of ornithology to describe the process by which birds develop their distinctive plumage, or coat pattern. It refers to the development of feathers on a bird's body that are adapted for flight and hunting purposes. In the case of a griffin, which is a type of eagle, the feathers on its body provide protection from predators and allow it to fly at great heights. The process of griffonage typically involves several stages: 1