Bird sickness, bird boldness?

What could have happened to this adult common blackbird male: fight, predator attack or disease? The bird was not shy but looked a little disoriented and kept staring at me for a while before flying away.

Location: Bayreuth, Germany

A shelter for a blackbird chick

This Blackbird juvenile was fetched, unwell, on the side of the road, taken care of and released where it was found a couple days later. The parents took no more than 20 minutes find the fledgling after hearing his high pitched calls. They instantly recognized and welcoming him back. Before these pictures were taken, the hungry fledgling was given some banana-plum mix; some leftovers can be seen on the tip of its large bill.

You can read more about Blackbirds here.

Location: Bayreuth, Germany