shore bird vs wading bird

shore bird and wading bird both are nouns.

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

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

shore bird: any of numerous wading birds that frequent mostly seashores and estuaries
wading bird: any of many long-legged birds that wade in water in search of food

Other hypernyms of shore bird include wader.

shore bird (noun)	wading bird (noun)
any of numerous wading birds that frequent mostly seashores and estuaries	any of many long-legged birds that wade in water in search of food