Cathartes aura vs turkey vulture

Cathartes aura and turkey vulture both are nouns.

Word	Noun	Adjective	Verb	Adverb
Cathartes aura	Yes	No	No	No
turkey vulture	Yes	No	No	No

As nouns, Cathartes aura and turkey vulture are synonyms defined as:

Cathartes aura and turkey vulture: a New World vulture that is common in South America and Central America and the southern United States

Other synonyms of Cathartes aura include buzzard, turkey buzzard.

Cathartes aura (noun)	turkey vulture (noun)
a New World vulture that is common in South America and Central America and the southern United States	a New World vulture that is common in South America and Central America and the southern United States