blackcap vs Silvia atricapilla

blackcap and Silvia atricapilla both are nouns.

Word	Noun	Adjective	Verb	Adverb
blackcap	Yes	No	No	No
Silvia atricapilla	Yes	No	No	No

As nouns, blackcap and Silvia atricapilla are synonyms defined as:

blackcap and Silvia atricapilla: small brownish-grey warbler with a black crown

blackcap (noun)	Silvia atricapilla (noun)
small brownish-grey warbler with a black crown	small brownish-grey warbler with a black crown
chickadee having a dark crown
small black-headed European gull
raspberry native to eastern North America having black thimble-shaped fruit