Taking an eyas Red-tailed Hawk from the nest is preferred over trapping a passage Redtail because...

Taking an eyas Red-tailed Hawk from the nest is indeed preferred over trapping a passage Redtail primarily due to the benefits associated with their training and adaptability. Eyas hawks, which are young birds that have not yet fledged, are generally more receptive to training and are often easier to imprint on their handlers. This early exposure allows falconers to establish a bond and influence the bird's behavior positively, leading to a more manageable and cooperative hunting partner.

With respect to the other options, the preference for taking eyas over passage does not necessarily arise from the assumption that they are less aggressive, easier to keep healthy, or inherently better hunters. In fact, while eyas hawks are more amenable to training, the transition into hunting can vary based on individual temperament and environmental factors. Therefore, the focus on training adaptability and bonding is a crucial reason for the preference for eyas hawks in falconry, rather than the specific attributes of aggression or health.