Flyby. The owl doesn't provoke opportunity attacks when it flies out of an enemy's reach.
Keen Hearing and Sight. The owl has advantage on Wisdom (Perception) checks that rely on hearing or sight.
Talons. Melee Weapon Attack: +3 to hit, reach 5 ft., one target. Hit: 8 2d6+1 slashing damage.
Giant owls often befriend fey and other sylvan creatures and are guardians of their woodland realms.