thick-knee vs limicoline bird

thick-knee and limicoline bird both are nouns.

Word	Noun	Adjective	Verb	Adverb
thick-knee	Yes	No	No	No
limicoline bird	Yes	No	No	No

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

thick-knee: large-headed large-eyed crepuscular or nocturnal shorebird of the Old World and tropical America having a thickened knee joint
limicoline bird: any of numerous wading birds that frequent mostly seashores and estuaries

Other hypernyms of thick-knee include shore bird, shorebird.

thick-knee (noun)	limicoline bird (noun)
large-headed large-eyed crepuscular or nocturnal shorebird of the Old World and tropical America having a thickened knee joint	any of numerous wading birds that frequent mostly seashores and estuaries