Euphagus carilonus vs rusty blackbird

Euphagus carilonus and rusty blackbird both are nouns.

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

As nouns, Euphagus carilonus and rusty blackbird are synonyms defined as:

Euphagus carilonus and rusty blackbird: North American blackbird whose bluish-black plumage is rusty-edged in the fall

Other synonyms of Euphagus carilonus include rusty grackle.

Euphagus carilonus (noun)	rusty blackbird (noun)
North American blackbird whose bluish-black plumage is rusty-edged in the fall	North American blackbird whose bluish-black plumage is rusty-edged in the fall