scientific designation for “Bald Eagle,” following the two-part naming system (binomial nomenclature) in taxonomy, which assigns a unique and internationally recognized name to each biological species; the first word refers to the genus and the second word refers to the species; the designation can be traced back to 18th-century naturalist Carl Linnaeus; pronounced hal-ee-uh-EE-tus LOO-co-SEF-uh-lus (pronunciation guide ; Greek halia = of the sea + aetos = eagle, leuco = white + cephalos = head