Polyborus plancus vs caracara

Polyborus plancus and caracara both are nouns.

Word	Noun	Adjective	Verb	Adverb
Polyborus plancus	Yes	No	No	No
caracara	Yes	No	No	No

As nouns, caracara is a hypernym of Polyborus plancus; that is, caracara is a word with a broader meaning than Polyborus plancus:

Polyborus plancus: South American caracara
caracara: any of various long-legged carrion-eating hawks of South America and Central America

Polyborus plancus (noun)	caracara (noun)
South American caracara	any of various long-legged carrion-eating hawks of South America and Central America