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: (1d1) slashing damage.
Multiattack. The ape makes two fist attacks.
Fist. Melee Weapon Attack: +9 to hit, reach 10 ft., one target. Hit: (3d10 + 6) bludgeoning damage.
Rock. Ranged Weapon Attack: +9 to hit, reach 50/100 ft., one target. Hit: (7d6 + 6) bludgeoning damage.