Euphagus carilonus vs rusty grackle

Euphagus carilonus and rusty grackle both are nouns.

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

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

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

Other synonyms of Euphagus carilonus include rusty blackbird.

Euphagus carilonus (noun)	rusty grackle (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