moorhen vs Gallinula chloropus

moorhen and Gallinula chloropus both are nouns.

Word	Noun	Adjective	Verb	Adverb
moorhen	Yes	No	No	No
Gallinula chloropus	Yes	No	No	No

As nouns, moorhen and Gallinula chloropus are synonyms defined as:

moorhen and Gallinula chloropus: black gallinule that inhabits ponds and lakes

moorhen (noun)	Gallinula chloropus (noun)
black gallinule that inhabits ponds and lakes	black gallinule that inhabits ponds and lakes
female red grouse