Dumetella carolinensis vs gray catbird

Dumetella carolinensis and gray catbird both are nouns.

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

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

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

Other synonyms of Dumetella carolinensis include catbird, grey catbird.

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