Armadillos are nocturnal mammals that can cause significant damage to lawns, particularly in irrigated areas. They create distinctive cone-shaped holes as they dig for insects and grubs, often going unnoticed until morning when homeowners discover the damage. According to experts from Oklahoma State University Extension, these holes are a clear sign of armadillo activity, especially in soft, moist soils that are rich in food sources. The damage is most prevalent during the summer months when the grass is soft and easy to penetrate. Homeowners rarely spot the animals themselves due to their low visibility and nocturnal habits. To mitigate the problem, experts recommend trapping and removal as effective solutions, while reducing irrigation can also help make the lawn less attractive to these creatures. However, homeowners should be prepared for a potential increase in activity before seeing any results, as armadillos may continue to visit familiar feeding grounds even after conditions change.