Obviously many factors could have contributed to that situation. Therefore, perhaps the choice to fly to someone with less positive reinforcement history has more to do with the quality of the interactions than the quantity and, again, reinforces the benefit of developing good sensitivities to bird behavior. How Birds Communicate Bird communication can consist of many components. Certainly, verbal communication exists. However, birds most often are communicating through body language.
Some communications are very large and obvious.
For example, a bird flying away due to fear. On the other hand, bird communication can also be incredibly subtle. Before the bird flew there were most likely a number of body movements that indicated the bird was likely to fly. Behaviors such as feathers slicking back, darting looks, and crouching or springing behavior. Two of the most important tools for communication in birds are their eyes.