A hawk or falcon is most likely to "put over" its crop...

When a hawk or falcon is likely to "put over" its crop, this behavior typically occurs just after eating. “Putting over” refers to the process where a bird expels or regurgitates excess food that it cannot digest or that is not necessary for its immediate needs. After a successful hunt or feeding, a bird may need to lighten its load, which helps in maintaining balance and readiness for flight.

By regurgitating excess food, the bird also alleviates any discomfort from an overly full crop, allowing it to feel more agile and capable during activities such as hunting or flying. In the context of falconry, understanding when a bird is most likely to exhibit this behavior is crucial for managing its health and training effectively.

This behavior is not associated with entering a stoop, which is a hunting dive, or being introduced to new quarry, where the focus is on the bird's attention to the prey rather than its physical state. Additionally, just before eating would not likely elicit this behavior, as the bird anticipates consuming food rather than expelling it.