A yearling immature 24 Feb 05

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.