stork vs wading bird

stork and wading bird both are nouns.

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

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

stork: large mostly Old World wading birds typically having white-and-black plumage
wading bird: any of many long-legged birds that wade in water in search of food

Other hypernyms of stork include wader.

stork (noun)	wading bird (noun)
large mostly Old World wading birds typically having white-and-black plumage	any of many long-legged birds that wade in water in search of food