Which type of bird is most likely to breed naturally in captivity?

A parent-raised eyass is the type of bird most likely to breed naturally in captivity. This is because parent-raised eyasses are raised by their natural parents, which allows them to learn appropriate behaviors and social interactions necessary for successful breeding. In the wild, these birds observe and participate in natural mating behaviors, and when raised in a controlled environment, they retain more of these instincts compared to those raised in isolation from their species.

In contrast, imprint eyasses are typically raised in close contact with humans and may develop attachments to them rather than to their species. This can hinder their ability to breed effectively, as they may not recognize or respond to the mating behaviors of their own species. Passage birds, which are juvenile raptors that have recently fledged, are also less likely to successfully breed in captivity without proper guidance, as they usually have minimal exposure to breeding conditions or rituals prior to displacement.

While passage birds and imprint eyasses might breed in certain conditions, they do not have the inherent advantages seen in parent-raised eyasses, making the latter the most likely to breed naturally in captivity.