wood stork vs stork

wood stork and stork both are nouns.

Word	Noun	Adjective	Verb	Adverb
wood stork	Yes	No	No	No
stork	Yes	No	No	No

As nouns, stork is a hypernym of wood stork; that is, stork is a word with a broader meaning than wood stork:

wood stork: an American stork that resembles the true ibises in having a downward-curved bill; inhabits wooded swamps of New World tropics
stork: large mostly Old World wading birds typically having white-and-black plumage

wood stork (noun)	stork (noun)
an American stork that resembles the true ibises in having a downward-curved bill; inhabits wooded swamps of New World tropics	large mostly Old World wading birds typically having white-and-black plumage
any of several Old World birds of the genus Ibis