Eukarya: Because it has a membrane and a nucleus
Animalia: Because it has a large multicellular body that lacks cell walls and it is motile
Chordata: Possesses a hollow dorsal nerve chord, post-anal tail and pharyngeal gill slits.
Aves: Because they lay eggs, have feathers, bipedal, endothermic and are vertebrates
Falconifroms: have nidicolous young and exhibit biparental care. This group also includes the USA's symbol, the bald eagle.
Falconidae: have a tubercle at the
end of their nostril
Falco: Have long pointed wings
Peregrinus: has a distinguishing black mustache mark on the
face