honker vs Branta canadensis

honker and Branta canadensis both are nouns.

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

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

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

Other synonyms of honker include Canada goose, Canadian goose.

honker (noun)	Branta canadensis (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