redbird vs finch

redbird and finch both are nouns.

Word	Noun	Adjective	Verb	Adverb
redbird	Yes	No	No	No
finch	Yes	No	No	No

As nouns, finch is a hypernym of redbird; that is, finch is a word with a broader meaning than redbird:

redbird: crested thick-billed North American finch having bright red plumage in the male
finch: any of numerous small songbirds with short stout bills adapted for crushing seeds

redbird (noun)	finch (noun)
crested thick-billed North American finch having bright red plumage in the male	any of numerous small songbirds with short stout bills adapted for crushing seeds
the male is bright red with black wings and tail