(Fig. 1) the angle of the jaws is matched to the in vivo image. The skull, to my eye, looks like it is tipped back a wee bit too far. It isn’t.
Figure 1. GIF animation of the skull of the blue jay (Cyanocitta cristatus).
As everyone agrees
Cyanocitta nests with Corvus the crow in the large reptile tree (1190 taxa).