Before coming to the UK I got to spend a few hours birdwatching with friends. The most numerous raptor during that time were the returning Short-toed Eagles.
An adult Short-toed eagle flying from the right of the picture to the left. The sky is pale blue. The bird has dark markings and a dark hood, showing it's older age.
A young Short-toed eagle. The bird is flying from the left to the right of the picture. The sky is a pale blue. The bird has very pale markings showing it's young age.