Randy's twisted duck inspired me to post this one from a few days ago. The bird did even more twists and turns but couldn't get a good eye in a lot of them.
A female Australasian Darter.
1DXIII 600 f4 III 1.4x III 840mm HH
1/1600 f6.3 iso640 (auto) -0.3ev
Near full frame with some highlight reduction and light sharpen.