Pharaoh's chicken vs Neophron percnopterus

Pharaoh's chicken and Neophron percnopterus both are nouns.

Word	Noun	Adjective	Verb	Adverb
Pharaoh's chicken	Yes	No	No	No
Neophron percnopterus	Yes	No	No	No

As nouns, Pharaoh's chicken and Neophron percnopterus are synonyms defined as:

Pharaoh's chicken and Neophron percnopterus: small mostly white vulture of Africa and southern Eurasia

Other synonyms of Pharaoh's chicken include Egyptian vulture.

Pharaoh's chicken (noun)	Neophron percnopterus (noun)
small mostly white vulture of Africa and southern Eurasia	small mostly white vulture of Africa and southern Eurasia