From Pathfinder #186: Ghost King's Rage, which isn't enabled.

Avian Rage

COMPLEX HAZARD 18

Stealth +45 (master)

Description Hundreds of panicked whippoorwills swarm through the area.

Disable DC 43 Nature (master) to calm the birds, DC 45 Occultism (master) to alter your aura, or DC 45 Performance (master) to imitate the living

Panic! (sonic)

Trigger An undead or a creature with void healing enters the garden

Effect The birds screech in panic, dealing 3d12+20 sonic damage to all creatures in the garden (DC 44 basic Fortitude). On a failure, the creature becomes Stunned 1 (Stunned 3 on a critical failure). The trap then rolls initiative.

Routine (1 action) The birds swarm wildly through the garden, pecking and slashing at all undead creatures and creatures with void healing in the garden, dealing 3d10+20 slashing plus 1d10 bleed damage (DC 44 basic Reflex).

Reset The trap deactivates and resets if 1 minute passes without any undead or creatures with void healing in the garden.

Pathfinder #186: Ghost King's RageOGL