Moles: These small mammals are well-known for their underground lifestyle, using their powerful front limbs to dig complex tunnel systems.
Badgers: Badgers are nocturnal mammals that build extensive burrow systems underground, where they sleep, raise their young, and store food.
Gophers: Gophers are burrowing rodents commonly found in North and Central America. They create elaborate tunnel networks underground.
Groundhogs: Also known as woodchucks, groundhogs are burrowing rodents that hibernate during the winter. They dig deep underground burrows for shelter and protection.
Ants: Ant colonies consist of thousands of individuals that live underground in intricate tunnel networks. These tunnels serve as nests and provide protection for the colony.

Earthworms: Earthworms are essential for soil health, as they burrow through the ground, aerating the soil and breaking down organic matter.
Naked mole rats: These unusual rodents live in underground colonies in Africa. They are adapted to life underground and rarely come to the surface.