hare wallaby vs brush kangaroo

hare wallaby and brush kangaroo both are nouns.

Word	Noun	Adjective	Verb	Adverb
hare wallaby	Yes	No	No	No
brush kangaroo	Yes	No	No	No

As nouns, brush kangaroo is a hypernym of hare wallaby; that is, brush kangaroo is a word with a broader meaning than hare wallaby:

hare wallaby: small Australian wallaby that resembles a hare and has persistent teeth
brush kangaroo: any of various small or medium-sized kangaroos; often brightly colored

Other hypernyms of hare wallaby include wallaby.

hare wallaby (noun)	brush kangaroo (noun)
small Australian wallaby that resembles a hare and has persistent teeth	any of various small or medium-sized kangaroos; often brightly colored