bustard quail vs wader

bustard quail and wader both are nouns.

Word	Noun	Adjective	Verb	Adverb
bustard quail	Yes	No	No	No
wader	Yes	No	No	No

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

bustard quail: small quail-like terrestrial bird of southern Eurasia and northern Africa that lacks a hind toe; classified with wading birds but inhabits grassy plains
wader: any of many long-legged birds that wade in water in search of food

Other hypernyms of bustard quail include wading bird.

bustard quail (noun)	wader (noun)
small quail-like terrestrial bird of southern Eurasia and northern Africa that lacks a hind toe; classified with wading birds but inhabits grassy plains	any of many long-legged birds that wade in water in search of food