Anas penelope vs wigeon

Anas penelope and wigeon both are nouns.

Word	Noun	Adjective	Verb	Adverb
Anas penelope	Yes	No	No	No
wigeon	Yes	No	No	No

As nouns, Anas penelope and wigeon are synonyms defined as:

Anas penelope and wigeon: freshwater duck of Eurasia and northern Africa related to mallards and teals

Other synonyms of Anas penelope include widgeon.

Anas penelope (noun)	wigeon (noun)
freshwater duck of Eurasia and northern Africa related to mallards and teals	freshwater duck of Eurasia and northern Africa related to mallards and teals