This White-crowned Sparrow posed perfectly for me for a number of minutes. Probably just as curious about me as I was about him.
Full gallery of that day can be found HERE
Photo taken on January 10th, 2019 at the Yolo Bypass Wildlife Area near Sacramento, California. Canon 5D Mark IV, Sigma 150-600mm Contemporary. 600mm, f/8, 1/500s, ISO-1600.