Baltimore bird vs Baltimore oriole

Baltimore bird and Baltimore oriole both are nouns.

Word	Noun	Adjective	Verb	Adverb
Baltimore bird	Yes	No	No	No
Baltimore oriole	Yes	No	No	No

As nouns, Baltimore bird and Baltimore oriole are synonyms defined as:

Baltimore bird and Baltimore oriole: eastern subspecies of northern oriole

Other synonyms of Baltimore bird include firebird, hangbird, Icterus galbula galbula.

Baltimore bird (noun)	Baltimore oriole (noun)
eastern subspecies of northern oriole	eastern subspecies of northern oriole