Bluff principle
Lessons from Blue-tongued Skink
Flash the tongue.
Blue-Tongue Threat Display
Core lesson
A sudden signal can end a fight before it begins.
Biological basis
Blue-tongued Skinks use a bright blue tongue display, body flattening, hissing, and open-mouth postures to startle or warn predators when threatened.
Best use cases
Where this lesson tends to be most useful in practice.
BluffingWarningConflict preventionSelf-protectionClear signaling