Animals communicate danger to each other in various ways, including vocalizations, body language, and scents. For example, some animals emit alarm calls or specific vocalizations to warn others of potential threats. Others may use visual cues such as changing their posture, puffing up their bodies, or displaying warning colors. Additionally, some animals release pheromones or other scents to signal danger to members of their species. These communication methods help animals cooperate to protect themselves from predators or other dangers.