Sociality refers to the behavior pattern in which individuals of a species live in groups and exhibit complex interactions. In biological contexts, it describes the degree to which an organism relies on social structures for survival, reproduction, and resource acquisition. These behaviors range from simple grouping to sophisticated cooperation, including cooperative hunting, shared vigilance, and the establishment of complex hierarchies. From an evolutionary standpoint, increased sociality has often been linked to increased fitness and ecological success by allowing for the division of labor and the pooling of group defenses. The underlying mechanisms of social behavior involve a complex interplay of genetics, hormonal regulation, and learned behavioral responses.