Leipoa ocellata vs mound-bird

Leipoa ocellata and mound-bird both are nouns.

Word	Noun	Adjective	Verb	Adverb
Leipoa ocellata	Yes	No	No	No
mound-bird	Yes	No	No	No

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

Leipoa ocellata: Australian mound bird; incubates eggs naturally in sandy mounds
mound-bird: large-footed short-winged birds of Australasia; build mounds of decaying vegetation to incubate eggs

Other hypernyms of Leipoa ocellata include megapode, mound bird, mound builder, scrub fowl.

Leipoa ocellata (noun)	mound-bird (noun)
Australian mound bird; incubates eggs naturally in sandy mounds	large-footed short-winged birds of Australasia; build mounds of decaying vegetation to incubate eggs