scrub fowl vs mound bird

scrub fowl and mound bird both are nouns.

Word	Noun	Adjective	Verb	Adverb
scrub fowl	Yes	No	No	No
mound bird	Yes	No	No	No

As nouns, scrub fowl and mound bird are synonyms defined as:

scrub fowl and mound bird: large-footed short-winged birds of Australasia; build mounds of decaying vegetation to incubate eggs

Other synonyms of scrub fowl include megapode, mound-bird, mound builder.

scrub fowl (noun)	mound bird (noun)
large-footed short-winged birds of Australasia; build mounds of decaying vegetation to incubate eggs	large-footed short-winged birds of Australasia; build mounds of decaying vegetation to incubate eggs