Pedionomus torquatus vs wader

Pedionomus torquatus and wader both are nouns.

Word	Noun	Adjective	Verb	Adverb
Pedionomus torquatus	Yes	No	No	No
wader	Yes	No	No	No

As nouns, wader is a hypernym of Pedionomus torquatus; that is, wader is a word with a broader meaning than Pedionomus torquatus:

Pedionomus torquatus: small Australian bird related to the button quail; classified as wading bird but inhabits plains
wader: any of many long-legged birds that wade in water in search of food

Other hypernyms of Pedionomus torquatus include wading bird.

Pedionomus torquatus (noun)	wader (noun)
small Australian bird related to the button quail; classified as wading bird but inhabits plains	any of many long-legged birds that wade in water in search of food