Branta canadensis vs honker

Branta canadensis and honker both are nouns.

Word	Noun	Adjective	Verb	Adverb
Branta canadensis	Yes	No	No	No
honker	Yes	No	No	No

As nouns, Branta canadensis and honker are synonyms defined as:

Branta canadensis and honker: common greyish-brown wild goose of North America with a loud, trumpeting call

Other synonyms of Branta canadensis include Canada goose, Canadian goose.

Branta canadensis (noun)	honker (noun)
common greyish-brown wild goose of North America with a loud, trumpeting call	common greyish-brown wild goose of North America with a loud, trumpeting call
	informal terms for the nose
	a driver who causes his car's horn to make a loud honking sound