As with many superheroes, Corvidae's mutation is the result of irradiation. in this case, both of her parents take serious rads on a regular basis - Eric as a Beam Engineer at North Central Positronics*, and I as head of the Experimental Radiology department at Mid-World University*.
radiation-induced mutant powers are highly idiosyncratic. We cannot guarantee your child will be born with super strength or telekinesis, or that any extra limbs will be fully functional and/or not evil.
Since we had to leave our real badges at work (pesky government regulations!) Eric quickly cut duplicates on the Epilog
*Hat tip to Stephen King's Dark Tower