Himantopus stilt vs shore bird

Himantopus stilt and shore bird both are nouns.

Word	Noun	Adjective	Verb	Adverb
Himantopus stilt	Yes	No	No	No
shore bird	Yes	No	No	No

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

Himantopus stilt: long-legged three-toed black-and-white wading bird of inland ponds and marshes or brackish lagoons
shore bird: any of numerous wading birds that frequent mostly seashores and estuaries

Other hypernyms of Himantopus stilt include limicoline bird, shorebird.

Himantopus stilt (noun)	shore bird (noun)
long-legged three-toed black-and-white wading bird of inland ponds and marshes or brackish lagoons	any of numerous wading birds that frequent mostly seashores and estuaries