Aramus pictus vs wader

Aramus pictus and wader both are nouns.

Word	Noun	Adjective	Verb	Adverb
Aramus pictus	Yes	No	No	No
wader	Yes	No	No	No

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

Aramus pictus: wading bird of Florida, Cuba and Jamaica having a drooping bill and a distinctive wailing call
wader: any of many long-legged birds that wade in water in search of food

Other hypernyms of Aramus pictus include wading bird.

Aramus pictus (noun)	wader (noun)
wading bird of Florida, Cuba and Jamaica having a drooping bill and a distinctive wailing call	any of many long-legged birds that wade in water in search of food