Update, ID confirmed after expert review;
Mega-long distance scope-shots, across the harbor from Middle Branch Park;
I first saw this bird and thought about Franklin's:
Small size compared to LAGU, hood-shape and cartoonish white around eyes(not visible), lack of black in primaries, etc. I didn't want to make further assumptions until I cracked my books. I did and think it looks pretty good... could be wrong of course!