killdeer vs Charadrius vociferus

killdeer and Charadrius vociferus both are nouns.

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

As nouns, killdeer and Charadrius vociferus are synonyms defined as:

killdeer and Charadrius vociferus: American plover of inland waters and fields having a distinctive cry

Other synonyms of killdeer include kildeer, killdeer plover.

killdeer (noun)	Charadrius vociferus (noun)
American plover of inland waters and fields having a distinctive cry	American plover of inland waters and fields having a distinctive cry