snow bunting vs snowbird

snow bunting and snowbird both are nouns.

Word	Noun	Adjective	Verb	Adverb
snow bunting	Yes	No	No	No
snowbird	Yes	No	No	No

As nouns, snow bunting and snowbird are synonyms defined as:

Other synonyms of snow bunting include Plectrophenax nivalis, snowflake.

snow bunting (noun)	snowbird (noun)
white Arctic bunting	white Arctic bunting
	small North American finch seen chiefly in winter
	medium-sized Eurasian thrush seen chiefly in winter