The term for the seasonal migration of animals is "migration." Migratory behaviors are often observed in species such as birds, fish, and mammals and can be triggered by changes in climate, food availability, or breeding cycles. Migration can involve long-distance travel, such as the annual journey of monarch butterflies from North America to Mexico, or shorter, localized movements. This phenomenon plays a crucial role in the survival of species, helping them adapt to seasonal changes and maintain ecological balance. Migration patterns can be incredibly complex, varying by species, region, and environmental conditions.