courlan vs wading bird

courlan and wading bird both are nouns.

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

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

courlan: wading bird of South America and Central America
wading bird: any of many long-legged birds that wade in water in search of food

Other hypernyms of courlan include wader.

courlan (noun)	wading bird (noun)
wading bird of South America and Central America	any of many long-legged birds that wade in water in search of food