That's Black Bittern above, which represents the bird.

Sheyenne's from Alberta, Canada, and their art reminds me just enough of certain Euro art that I think it's worthy to be added here.

https://i.imgur.com/nCcVMyz.jpeg
We stare into each other's eyes

https://i.imgur.com/zl5RNSc.jpeg
Banana Deer and friends, from the game Fin Fin: On TEO, the Magic Planet

https://i.imgur.com/hxZzKCV.png
Ocean Procession

https://i.imgur.com/jDTOdP8.jpeg
This Moment in Time

https://i.imgur.com/q5EVXd8.jpeg
"Fast Food!"

https://i.imgur.com/48smKFz.jpeg
Kestrel

https://i.imgur.com/mowcXpn.jpeg
Snake in Grass (can you spot all the bugs?)

Oh, and they are also known as "Uzon":
https://www.tumblr.com/uzon
https://www.inprnt.com/gallery/uzon/