mound bird vs scrub fowl

mound bird and scrub fowl both are nouns.

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

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

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

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

mound bird (noun)	scrub fowl (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