From Lake Morton, Florida in March. He was perched on a chain link fence, and I was hoping to catch him taking off. I suppose when I decided to zoom in for a tight portrait shot I might have thought to lower the SS and ISO. But for ISO 8000 I thought the detail was pretty good.
D500, Sigma 150-600C @ 600mm, ISO 8000, 1/2500s @ f/6.3 manual.