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A 3 year old immature 24 Feb 05.![]()
a 4-5 year old subadult. Notice the slight mottling of the head and right wing

For comparison, here is a mature Golden Eagle, one of the resident birds of the Delaware Valley Raptor Center
The eyes are more orange than yellow, the feathers have a hint of orange around the head
and the legs are completly covered with feathers all the way to the feet.