ortolan vs ortolan bunting

ortolan and ortolan bunting both are nouns.

Word	Noun	Adjective	Verb	Adverb
ortolan	Yes	No	No	No
ortolan bunting	Yes	No	No	No

As nouns, ortolan and ortolan bunting are synonyms defined as:

ortolan and ortolan bunting: brownish Old World bunting often eaten as a delicacy

Other synonyms of ortolan include Emberiza hortulana.

ortolan (noun)	ortolan bunting (noun)
brownish Old World bunting often eaten as a delicacy	brownish Old World bunting often eaten as a delicacy