This forum is for posting bird photos and for general discussions in the field of bird photography. Although the site is focused on BC Birding, topics here and photo postings can include birds from around the globe. As well, you are encouraged to include a link to your personal bird photo galleries.
Barrow's Goldeneye was my choice, but other birders seemed to think it as a Common Goldeneye. I will re-read your post and look more closely at your photos. For me, the jury is still out on this, but that could change soon. I have four reference books for birds of the Western North America as well as a BC Birder's book and a Vancouver area book.And, of course plenty of online resources for birding.
I looked more closesly at your photo and it does appear to be a Common Goldeneye. Certainly in the Lower Manland, Common Goldeneyes are much more "common". Not sure about other locations.
The juveniles of both species are similar, but the bill of the Barrow's is shorter and the head angle is steeper. The bird in your photo looks to have a longer bill than seen iin my photo and the angle from the head to the bill is steeper in my photo.
Of course the head marking on the adult males is a key identifier, but I also like the wing colouration. White-on-black versus Black-on-white.