the Orphean warblers, Sylvia crassirostris (eastern Orphean warbler) and Sylvia hortensis (western Orphean warbler), two species of birds

かも知れません: (polite) Synonym of かも知れない (ka mo shirenai, “may, might, perhaps”)

かもしれない: perhaps

may; might / probably; maybe; perhaps

direction, order / (military) command / (military) commander

to direct, to order

spirit of the dead, ghost, departed soul

test, trial

may, might, perhaps

command (of troops) / commander