bowerbird vs catbird

bowerbird and catbird both are nouns.

Word	Noun	Adjective	Verb	Adverb
bowerbird	Yes	No	No	No
catbird	Yes	No	No	No

As nouns, bowerbird and catbird are synonyms defined as:

bowerbird and catbird: any of various birds of the Australian region whose males build ornamented structures resembling bowers in order to attract females

bowerbird (noun)	catbird (noun)
any of various birds of the Australian region whose males build ornamented structures resembling bowers in order to attract females	North American songbird whose call resembles a cat's mewing
	any of various birds of the Australian region whose males build ornamented structures resembling bowers in order to attract females