red-legged partridge vs Alectoris ruffa

red-legged partridge and Alectoris ruffa both are nouns.

Word	Noun	Adjective	Verb	Adverb
red-legged partridge	Yes	No	No	No
Alectoris ruffa	Yes	No	No	No

As nouns, red-legged partridge and Alectoris ruffa are synonyms defined as:

red-legged partridge and Alectoris ruffa: common western European partridge with red legs

red-legged partridge (noun)	Alectoris ruffa (noun)
common western European partridge with red legs	common western European partridge with red legs