honey buzzard vs Pernis apivorus

honey buzzard and Pernis apivorus both are nouns.

Word	Noun	Adjective	Verb	Adverb
honey buzzard	Yes	No	No	No
Pernis apivorus	Yes	No	No	No

As nouns, honey buzzard and Pernis apivorus are synonyms defined as:

honey buzzard and Pernis apivorus: Old World hawk that feeds on bee larvae and small rodents and reptiles

honey buzzard (noun)	Pernis apivorus (noun)
Old World hawk that feeds on bee larvae and small rodents and reptiles	Old World hawk that feeds on bee larvae and small rodents and reptiles