Sunlight Sensitivity. While in sunlight, the kobold has disadvantage on attack rolls, as well as on Wisdom (Perception) checks that rely on sight.

Pack Tactics. The kobold has advantage on an attack roll against a creature if at least one of the kobold’s allies is within 5 feet of the creature and the ally isn’t incapacitated.

Agile Flight. Opportunity attacks provoked when the Kobold Batrider flies out of an enemy's reach suffer disadvantage.

Spear. Melee Weapon Attack: +3 to hit, reach 5 ft., one target. Hit: 4 (1d6 + 1) piercing damage.

Dropped Rock. Ranged Weapon Attack: +5 to hit, one target directly below the kobold. Hit: 6 (1d6 + 3) bludgeoning damage.