Hungarian partridge vs Perdix perdix

Hungarian partridge and Perdix perdix both are nouns.

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

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

Other synonyms of Hungarian partridge include gray partridge, grey partridge.

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