Which action typically does NOT cause FAS in birds?

In understanding factors that contribute to Fear and Anxiety Syndrome (FAS) in birds, it is important to consider how birds perceive their environment. When a person approaches from behind, touches a sensitive area like the tail, or makes sudden movements overhead, they can trigger a natural flight response due to the birds’ instincts to avoid predators.

Movement from the side, however, is generally seen as less threatening. Birds have a wide field of vision and can usually detect lateral movements without feeling as directly threatened as they do from movements that could suggest a predator is about to strike from above or behind. This lateral approach allows birds to assess the situation more comfortably, leading to a lower likelihood of inducing FAS compared to the other mentioned actions. Therefore, movement from the side is not typically associated with causing FAS in birds, making it an action that is less likely to elicit fear or anxiety responses.