What does it mean to "warble" in the context of raptor behavior?

In the context of raptor behavior, "warble" refers to the action of a bird stretching its wings and tail. This behavior typically occurs as a way for the bird to maintain its physical flexibility and readiness for flight. It can also be a form of exercise, helping the bird to keep its muscles toned and functional. Stretching is important for raptors, especially after being perched for extended periods, as it helps to improve circulation and maintain a healthy body.

While calling to other birds or flying high in the sky might involve vocalizations or flight patterns, these do not encapsulate the specific action of "warbling." Eating prey relates to the feeding behavior of raptors, which is unrelated to the definition of warbling observed in this context. Thus, understanding "warble" as a stretching behavior is crucial for grasping raptor dynamics and their physical care in falconry.