Euphagus carilonus vs blackbird

Euphagus carilonus and blackbird both are nouns.

Word	Noun	Adjective	Verb	Adverb
Euphagus carilonus	Yes	No	No	No
blackbird	Yes	No	No	No

As nouns, blackbird is a hypernym of Euphagus carilonus; that is, blackbird is a word with a broader meaning than Euphagus carilonus:

Euphagus carilonus: North American blackbird whose bluish-black plumage is rusty-edged in the fall
blackbird: any bird of the family Icteridae whose male is black or predominantly black

Other hypernyms of Euphagus carilonus include New World blackbird.

Euphagus carilonus (noun)	blackbird (noun)
North American blackbird whose bluish-black plumage is rusty-edged in the fall	any bird of the family Icteridae whose male is black or predominantly black
	common black European thrush