Dolichotis patagonum vs rodent

Dolichotis patagonum and rodent both are nouns.

Word	Noun	Adjective	Verb	Adverb
Dolichotis patagonum	Yes	No	No	No
rodent	Yes	No	No	No

As nouns, rodent is a hypernym of Dolichotis patagonum; that is, rodent is a word with a broader meaning than Dolichotis patagonum:

Dolichotis patagonum: hare-like rodent of the Pampas of Argentina
rodent: relatively small placental mammals having a single pair of constantly growing incisor teeth specialized for gnawing

Other hypernyms of Dolichotis patagonum include gnawer.

Dolichotis patagonum (noun)	rodent (noun)
hare-like rodent of the Pampas of Argentina	relatively small placental mammals having a single pair of constantly growing incisor teeth specialized for gnawing