Cygnus buccinator vs trumpeter

Cygnus buccinator and trumpeter both are nouns.

Word	Noun	Adjective	Verb	Adverb
Cygnus buccinator	Yes	No	No	No
trumpeter	Yes	No	No	No

As nouns, Cygnus buccinator and trumpeter are synonyms defined as:

Cygnus buccinator and trumpeter: large pure white wild swan of western North America having a sonorous cry

Other synonyms of Cygnus buccinator include trumpeter swan.

Cygnus buccinator (noun)	trumpeter (noun)
large pure white wild swan of western North America having a sonorous cry	large gregarious crane-like bird of the forests of South America having glossy black plumage and a loud prolonged cry; easily domesticated
	large pure white wild swan of western North America having a sonorous cry
	a musician who plays the trumpet or cornet
	(formal) a person who announces important news