What is the term used for a raptor that has been hand raised by humans from a young age?

The term for a raptor that has been hand raised by humans from a young age is "imprint." When a bird is imprinted, it forms a strong social bond with its human caregivers rather than with its own species. This process typically occurs during a critical period in the chick's development when it is most impressionable. Imprinted birds may behave more like humans and often have difficulty interacting with other raptors, which can affect their ability to behave normally in the wild.

In contrast, other names pertain to specific conditions of raptors. "Passage" refers to a raptor that is in its first year after fledging and is typically still learning to hunt and survive in the wild. "Haggard" describes a raptor that is older and has been captured as an adult, often implying it has been in the wild for some time. "Nestling" refers to a young bird that is still in the nest and dependent on its parents. Each of these terms highlights different stages and experiences in a raptor's life, making "imprint" the correct choice for a bird raised by humans.