Canvasback

This is the same male as pictured in the previous frame. I had other headshots of this species prior to this encounter, but I really like the stretched neck in this instance. He looks very alert! I guess that's not surprising as I'd whistled at him two seconds before this capture.

Prescott, Yavapai County, Arizona, 1/26/22
Canon 600mm f/4 IS II on EOS R5
1/2500 at f/7.1, ISO 800