Parus atricapillus vs blackcap

Parus atricapillus and blackcap both are nouns.

Word	Noun	Adjective	Verb	Adverb
Parus atricapillus	Yes	No	No	No
blackcap	Yes	No	No	No

As nouns, Parus atricapillus and blackcap are synonyms defined as:

Other synonyms of Parus atricapillus include black-capped chickadee.

Parus atricapillus (noun)	blackcap (noun)
chickadee having a dark 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