Generate a correct and concise answer for the question based on the words in the context.

Context : The Roviana rail (Gallirallus rovianae) is a species of bird in the family Rallidae.
Question : Is the taxon rank of Roviana rail species or genus?
species

Context : Hanns-Horst von Necker (28 August 1903 -- 27 February 1979) was a highly decorated Generalmajor in the Luftwaffe during World War II who commanded the Fallschirm-Panzer Division 1 Hermann Goring.
Question : What is the war during which Hanns-Horst von Necker was in the armed forces?
World War II

Context : The Hawaiian monk seal, Neomonachus schauinslandi (formerly Monachus schauinslandi), is a highly endangered species of earless seal in the family Phocidae that is endemic to the Hawaiian Islands.
Question : What level is Hawaiian monk seal's iucn conservation status?
endangered species