Aix sponsa vs wood widgeon

Aix sponsa and wood widgeon both are nouns.

Word	Noun	Adjective	Verb	Adverb
Aix sponsa	Yes	No	No	No
wood widgeon	Yes	No	No	No

As nouns, Aix sponsa and wood widgeon are synonyms defined as:

Aix sponsa and wood widgeon: showy North American duck that nests in hollow trees

Other synonyms of Aix sponsa include summer duck, wood duck.

Aix sponsa (noun)	wood widgeon (noun)
showy North American duck that nests in hollow trees	showy North American duck that nests in hollow trees