ortolan bunting vs Emberiza hortulana

ortolan bunting and Emberiza hortulana both are nouns.

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

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

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

Other synonyms of ortolan bunting include ortolan.

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