The screech beast uses their vestigial wings to glide at a ratio of 2 feet horizontally for every 1 foot vertically. While gliding, the screech beast cannot take any other action, and does not suffer damage from falling. The screech beast has a gliding speed of 30ft.

The screech beast has advantage on Wisdom (Perception) checks that rely on hearing or sight.

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

If the screech beast moves at least 20 ft. straight toward a creature and then hits it with a claw attack on the same turn, that target must succeed on a DC 16 Strength saving throw or be knocked prone. If the target is prone, the screech beast can make one beak attack against it as a bonus action.

The screech beast is immune to negative effects as if it could not hear them.

The screech beast doesn’t provoke an opportunity attack when it moves out of an enemy’s reach.