Dive Attack. If the aarakocra is flying and dives at least 30 feet straight toward a target and then hits it with a melee weapon attack, the attack deals an extra 3 (1d6) damage to the target.

Gravitational Acceleration. If the aarakocra is flying and hits with a ranged attack, that attack deals an extra 3 (1d6) piercing damage for every 60 feet the aarakocra is above its target. If this attack is made with a flechette the attack instead deals an extra 3 (1d6) piercing damage for every 30 feet the aarakocra is above its target.

Variant: Bombs. Instead of flechette, an aarakocra is equipped with 1d4+1 bombs. As an action, an aarakocra can light this bomb and throw it at a point on the ground making a ranged weapon attack: +4 to hit, range 60/180 ft. On a hit each creature within 5 feet of that point must succeed on a DC 12 Dexterity saving throw or take 3d6 fire damage. On a miss, the bomb instead lands somewhere within 5 ft. of the intended location.

Javelin. Melee or Ranged Weapon Attack: +4 to hit, reach 5 ft. or range 20/60 ft., one target. Hit: 5 (1d6 + 2) piercing damage, 

Talon. Meele Weapon Attack: +4 to hit, reach 5 ft. Hit: 4 (1d4 + 2) slashing damage.

Flechette. Ranged Weapon Attack: +4 to hit, range 60/180 ft., one target. Hit: 5 (1d6 + 2) piercing damage.