This was taken last February, one half hour after my previous post of the Grey Ghost, thus the loss of light and high ISO. Not the perfect IQ, but there are reports of a few of these guys back in the same fields again this winter, so I'll keep trying.
D500, 500f4 + 1.4 TC, ISO 4000, 1/2000s @ f/6.3 manual. Fill with SB-700 @ -1.7 EV.