It’s been a while since I gave you a bony mystery object to have a go at, so here’s a nice skeleton to have a go at identifying:
It’s proabably a bit on the easy side as there are some very clear tell-tale signs as to what it is, so keep those answers cryptic to keep things fun!
Zygoma 
I’ll make a guess: In 1966 a book was published with this in its title, featuring the journey of 19th-century frontiersman and his gay erotic adventures in the American wilderness…
It’s a very good guess!
At first glance, one wonders how this bird would be able to urinate. A little later I might dive into some references.
Nice hint.
Is it crazy for arctic roll?
…Stupid question – who isn’t?
Spot on!
The wings are too big for Hesperornis. And I don’t know my extant water birds — loons, divers, cormorants, and so on — well enough to guess further.
I was thinking of a very different children’s book to Jennifer’s. I’d suggest more but my answer is being held to ransom
a stellar example of a foolish bird
which is hardly able to stand this way