i now have videos of the strange eagle. they overlap almost a minute but i'm too lazy to trim the videos. mostly it just stood on the nest and looked around the forest, especially in the latter part.
i heard eagle's calls twice from here, too.
14:58 before the first time a big bird flew over the forest to the left. this was probably not an eagle because it looked very dark. the wing beat was rather slow though... eagle or not?
15:00 distant eagle's calls together with a loud airplane.
15:10 the second time it sounded like a female voice, preceded a buzzard (i think).