what is the Scientific name of tiger and peacock

Scientific name of tiger is Panthera tigris. Carl Linnaeus was the one who described tiger as Felis tigris in his work Systema Naturae . After that Reginald Pocock subordinated the species under the genus Panthera using the scientific name Panthera tigris.
Scientific name of peacock is Pavo cristatus. Peafowl is the common name for all the three species of birds under the genera Pavo and Afropavo. Male peafowl is called as Peacock and female peafowl is called as Peahen.