long-legs vs stilt plover

long-legs and stilt plover both are nouns.

Word	Noun	Adjective	Verb	Adverb
long-legs	Yes	No	No	No
stilt plover	Yes	No	No	No

As nouns, long-legs and stilt plover are synonyms defined as:

long-legs and stilt plover: long-legged three-toed black-and-white wading bird of inland ponds and marshes or brackish lagoons

Other synonyms of long-legs include Himantopus stilt, longlegs, stilt, stiltbird.

long-legs (noun)	stilt plover (noun)
long-legged three-toed black-and-white wading bird of inland ponds and marshes or brackish lagoons	long-legged three-toed black-and-white wading bird of inland ponds and marshes or brackish lagoons