Your hand, too, is a bird. Once per long rest, you can cast either Vicious Mockery or Mage Hand. 

Anything that uses an opportunity attack on you gets disadvantage because you are a flock of birds.

Your Dexterity score increases by 2, and your Charisma score increases by 1.

A flock of Ravens reach maturity by age 3. Compared to humans, ravens don’t usually live longer than 30 years.

Most aarakocra are good and rarely choose sides when it comes to law and chaos. Tribal leaders and warriors might be lawful, while explorers and adventurers might tend toward chaotic.

Aarakocra are about 5 feet tall. They have thin, lightweight bodies that weigh between 80 and 100 pounds. Your size is Medium.

Your base walking speed is 25 feet.

You have a flying speed of 50 feet. To use this speed, you can’t be wearing medium or heavy armor.

You can speak, read, and write Common, Aarakocra, and Auran.