Curmudgeon, it's actually around both but more pronounced with the one on the left. It looks like a bit of chromatic aberration to me.
Curmudgeon wrote:
Opened in LR, exported from PS as a jpg with no processing done. Does anyone know what is causing the blue corona around the left Raven's head.
D7200, ISO 400, 1/500 Nikkor 70-300@270mm f10