Though static, this was not easy for me and I am delighted to have it since they move a lot. The eyes have it.
5D, 500ISx1.4=700mm
1/125 sec, f/8
Mode: Av
Metering: Multi-segment
ISO: 500
Flash: On
That is one of the best looking wood duck eyes I've seen. The often look really strange in photographs that are otherwise perfect.
Nice color and details in the feathers too. The only thing I might change would be to tone down the highlights on the bill a bit.