Dumetella carolinensis vs catbird

Dumetella carolinensis and catbird both are nouns.

Word	Noun	Adjective	Verb	Adverb
Dumetella carolinensis	Yes	No	No	No
catbird	Yes	No	No	No

As nouns, Dumetella carolinensis and catbird are synonyms defined as:

Dumetella carolinensis and catbird: North American songbird whose call resembles a cat's mewing

Other synonyms of Dumetella carolinensis include gray catbird, grey catbird.

Dumetella carolinensis (noun)	catbird (noun)
North American songbird whose call resembles a cat's mewing	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