The Eurasian Jay (Garrulus glandarius) has 8 racial groups (33 subspecies in total) whose characteristics vary from a streaked crown or a black crown, a white face, a reddish face, either a white forehead or not, either a white wingpatch or not, etc.
This is the western Europe race of the Eurasian Jay with a streaked crown.

Nature Reserve Hoge Venen, Luik, Belgium, 13 April 2023