Flight: Avians have a flying speed of 30 feet. They can only fly if they are not wearing medium or heavy armor.
Keen focus: Hawks have advantage on Perception skill checks that rely on sight. Once per short rest, they can reroll a failed Dexterity saving throw. They can spot hidden movement at extreme distance (double the normal range to detect creatures or objects in motion outdoors).
Talons: Avians deal unarmed strikes with 1d4 slashing damage.
Dive strike: If Raptors fly at least 20 feet straight toward a creature and then hit it with a melee weapon attack, the target takes an extra 1d6 damage.
Skybound vigilance: Raptors gain proficiency in the Perception skill.