Darkvision: 60 feet.

Flight: Avians have a flying speed of 30 feet. They can only fly if they are not wearing medium or heavy armor.

Talons: Avians deal unarmed strikes with 1d4 slashing damage.

Silent wings: Nocturnal have advantage on Stealth checks made while flying.

Echo drift: Nightjars can mimic ambient sounds perfectly. They learn the Silent Image cantrip. They can cast Pass Without Trace once per long rest without components.