In addition, changes in weather can also prompt ants to rennovate their hills. "Recent rains can also encourage ant colonies to expand and establish hills," Cabrero says. Introduced species ...

Dr George McGavin explains to the young scientists how the ant colony is organised into different types of ants, known as castes. How to build a mini ant nest. videoHow to build a mini ant nest ...

When ant colonies build their nests under plants it disturbs the roots and deprives ... thus improving soil structure and drainage. In lawns, ant hills are a nuisance as they interfere with mowing.