Thread:Dinoman972/@comment-25175729-20180617200843/@comment-25175729-20180618134240

Yes, body shape.

Tinamou is technically part of the ratite lineage in real life and can fly.

Cockatrices are not dragons for the same reason Ropens aren't. They both fit seamlessly into existing real-world scientific classifications--Scansoriopterygidae and Rhamphorhynchoidea, respectively (though Ropen would likely get its own family)--making them a lot like, say, a kitsune or a nekomata. If true six-limbed dragons existed in real life, their mythical counterparts would be classified with them too.

Also, please stop removing fictional taxon templates. They are there for reason.