African elephants are keystone species, meaning they play a critical role in their ecosystem. Also known as “ecosystem engineers,” elephants shape their habitat in many ways. During the dry season, they use their tusks to dig up dry riverbeds and create watering holes many animals can drink from. Their dung is full of seeds, helping plants spread across the environment-and it makes pretty good habitat for dung beetles too. In the forest, their feasting on trees and shrubs creates pathways for sm