Perdix perdix vs gray partridge

Perdix perdix and gray partridge both are nouns.

Word	Noun	Adjective	Verb	Adverb
Perdix perdix	Yes	No	No	No
gray partridge	Yes	No	No	No

As nouns, Perdix perdix and gray partridge are synonyms defined as:

Other synonyms of Perdix perdix include grey partridge, Hungarian partridge.

Perdix perdix (noun)	gray partridge (noun)
common European partridge	common European partridge