2020 Christmasville Limited Edition - 9x10.5 Oil on Cedar
 
Those owls are monogamous, but outside breeding season males and females may roost separately, each one having about 3 favored sites in which to conceal themselves by day.  As the breeding season approaches, they move back together in the vicinity of their chosen abode, usually the same year after year.  When the female has lost her mate, she usually seems to manage to attract a new spouse.  A single male establishes feeding territories, patrols the hunting area and perches in a lofty spot where he screeches to attract a mate.