Alarm principle
Lessons from Crested Pigeon
Whistle upward.
Whistling-Wing Takeoff
Core lesson
One sudden sound can move the whole group before danger lands.
Biological basis
Crested Pigeons have modified wing feathers that produce loud whistling sounds during takeoff. These sounds can alert nearby birds to possible danger.
Best use cases
Where this lesson tends to be most useful in practice.
AlarmWarning systemsGroup safetyFast signalsInstinctive response