Pyrrhuloxia sinuata vs finch

Pyrrhuloxia sinuata and finch both are nouns.

Word	Noun	Adjective	Verb	Adverb
Pyrrhuloxia sinuata	Yes	No	No	No
finch	Yes	No	No	No

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

Pyrrhuloxia sinuata: crested grey-and-red bird of southwest United States and Mexico
finch: any of numerous small songbirds with short stout bills adapted for crushing seeds

Pyrrhuloxia sinuata (noun)	finch (noun)
crested grey-and-red bird of southwest United States and Mexico	any of numerous small songbirds with short stout bills adapted for crushing seeds