no, don’t have eggs ¹

[1] according to docudrama series my little pony

Its a borse

Pegasus isn’t even a tetrapod, it represents an entirely different branch of the tree of life which convergently adapted an horselike form

Greek mythology defies biological classification I think.

Seems to be the offspring of Poseidon and Medusa. Don’t know what that makes them. A god maybe, but not a bird I reckon.