maleo vs mound bird

maleo and mound bird both are nouns.

Word	Noun	Adjective	Verb	Adverb
maleo	Yes	No	No	No
mound bird	Yes	No	No	No

As nouns, mound bird is a hypernym of maleo; that is, mound bird is a word with a broader meaning than maleo:

maleo: Celebes megapode that lays eggs in holes in sandy beaches
mound bird: large-footed short-winged birds of Australasia; build mounds of decaying vegetation to incubate eggs

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

maleo (noun)	mound bird (noun)
Celebes megapode that lays eggs in holes in sandy beaches	large-footed short-winged birds of Australasia; build mounds of decaying vegetation to incubate eggs