Animals communicate in various ways depending on the species. Some common methods of communication include vocalizations such as barking, meowing, or chirping, body language such as wagging tails or raised fur, pheromones to signal mating readiness or territory boundaries, and even visual cues like changing colors or patterns. Additionally, some animals use tactile communication, such as grooming or touching each other. Overall, communication among animals serves many purposes, including mating, warning of danger, establishing social hierarchies, and forming bonds within groups.