Charadrius vociferus vs plover

Charadrius vociferus and plover both are nouns.

Word	Noun	Adjective	Verb	Adverb
Charadrius vociferus	Yes	No	No	No
plover	Yes	No	No	No

As nouns, plover is a hypernym of Charadrius vociferus; that is, plover is a word with a broader meaning than Charadrius vociferus:

Charadrius vociferus: American plover of inland waters and fields having a distinctive cry
plover: any of numerous chiefly shorebirds of relatively compact build having straight bills and large pointed wings; closely related to the sandpipers

Charadrius vociferus (noun)	plover (noun)
American plover of inland waters and fields having a distinctive cry	any of numerous chiefly shorebirds of relatively compact build having straight bills and large pointed wings; closely related to the sandpipers