beginning to freeze

It was a very nasty day out at Bald Eagle State Park; temps just above freezing, a wicked wind, and steady light rain. Gretchen and Laura and I drove out there about 1.5 hrs after I got a text from a bird clubber that there was a big flock of Common Goldeneyes along with lots of mergansers out there.

We were disappointed to find only smaller rafts of Common and Red-breasted Mergansers and no Goldeneyes. Some very blurry (click to embiggen) photos:
That tall one near the middle up top isn't a Goldeneye, right? Or is it? It seems to have the white cheek patch, but I don't remember seeing the patch through the scope--and I LOOKED.
More:

Here's where you can really see some good wing and neck markings.

Look at this bird sticking his neck up, on the right:
Almost goose-like, no? But
a merganser. So we saw 20 birds when I snapped these pics, but when I was looking in the scope a little after these guys flew and landed again, the numbers were lower and those are the ones I went with for my eBird count below.

There was also a large flock of at least 250 Canada Geese, and mixed into that flock was one odd goose with pink/orange legs and feet, a white ring around the base of his bill (which was not black but not orange either--orange-black?), some random white feathers on the back of his tall black neck, and whitish cheek patch (sort of dirty white) but definitely NOT a white chinstrap like the other Canadas. It was just a patch on either check, with black underneath. It looked somewhat like a Greater White-fronted Goose but somehow NOT. Here are the three best pics:

So you can see that his body is more Canada-like, but a little lighter and his tail and rump were DEFINITELY like a Greater White-fronted, with the shorter tail and white tip, rather than the wide bands of white and then black of a Canada's tail. I really think this was a cross between a Canada and a GWFG. Is that possible? At one point we saw them flying and that's when I noticed the distinctly non-Canada tail. None of my guides have any juvenile Canada illustrations, and this goose was the ONLY one in the entire flock with these weird markings. Is this a Greater White-fronted Goose, or a cross between a Canada and a GWFG, a weird-looking Canada, or what?

A local listserver said that it kinda looks like some of these Barnacle x White-fronted crosses. Maybe?

Our whole list:
Canada Goose 250 (including the weirdo)
Mallard 4
Common Merganser 6
Red-breasted Merganser 4
Ruddy Duck 1
Bonaparte's Gull 10
Ring-billed Gull 1
Northern Flicker (Yellow-shafted) 3
Black-capped Chickadee 3
Eastern Bluebird 3
European Starling 15
Northern Cardinal 1

I was really hoping to see a Goldeneye; it would've been a lifer.