flamingo vs wading bird

flamingo and wading bird both are nouns.

Word	Noun	Adjective	Verb	Adverb
flamingo	Yes	No	No	No
wading bird	Yes	No	No	No

As nouns, wading bird is a hypernym of flamingo; that is, wading bird is a word with a broader meaning than flamingo:

flamingo: large pink to scarlet web-footed wading bird with down-bent bill; inhabits brackish lakes
wading bird: any of many long-legged birds that wade in water in search of food

Other hypernyms of flamingo include wader.

flamingo (noun)	wading bird (noun)
large pink to scarlet web-footed wading bird with down-bent bill; inhabits brackish lakes	any of many long-legged birds that wade in water in search of food