scrub-bird vs scrub bird

scrub-bird and scrub bird both are nouns.

Word	Noun	Adjective	Verb	Adverb
scrub-bird	Yes	No	No	No
scrub bird	Yes	No	No	No

As nouns, scrub-bird and scrub bird are synonyms defined as:

scrub-bird and scrub bird: small fast-running Australian bird resembling a wren and frequenting brush or scrub

Other synonyms of scrub-bird include scrubbird.

scrub-bird (noun)	scrub bird (noun)
small fast-running Australian bird resembling a wren and frequenting brush or scrub	small fast-running Australian bird resembling a wren and frequenting brush or scrub