The Great Winged Moose or the Great Antlered Bird?
Either way, you wouldn’t want to cross paths with this Magnificent Beast!
It may look sweet, but this monster is most definitely a carnivore.
A Predatory Haiku:
By light of the moon
The teeny monsters cower
‘Neath my antler-wings.
PterodactylPants 
Well, they are impressive, whatever they are! I like the way you have attached them, looks like a ring at the base.
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