curlew vs limicoline bird

curlew and limicoline bird both are nouns.

Word	Noun	Adjective	Verb	Adverb
curlew	Yes	No	No	No
limicoline bird	Yes	No	No	No

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

curlew: large migratory shorebirds of the sandpiper family; closely related to woodcocks but having a down-curved bill
limicoline bird: any of numerous wading birds that frequent mostly seashores and estuaries

Other hypernyms of curlew include shore bird, shorebird.

curlew (noun)	limicoline bird (noun)
large migratory shorebirds of the sandpiper family; closely related to woodcocks but having a down-curved bill	any of numerous wading birds that frequent mostly seashores and estuaries