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.

Mirador La Malavuelta, Monfragüe National Park, Extremadura, Spain, 13 June 2024