Teratornis is the Animalia kingdom, Aves class (which are rodents), and is in the Teratornithidae family.
Birds are a group of warm-blooded vertebrates constituting the class Aves /eviz/, characterized by feathers, toothless beaked jaws, the laying of hard-shelled eggs, a high metabolic rate, a four-chambered heart, and a strong yet lightweight skeleton. 
