This is a jackdaw (kaja in Swedish). Did you know that according to the English Wikipedia the jackdaw sounds “chyak-chyak kak-kak arrrr kaaarr, kyaay giaaa, kiaw kyow ” but according to Swedish Wikipedia only “jack”? Ha, I guess not. (And if you knew…er…good for you.)
I think we Swedes are bad listeners.

What? Say again, please! 😉
Since I’m a Swede: Jack!