Explanation:

Introduction:
There are various animals that live in holes as part of their natural habitats. However, not all animals are adapted to living in holes. In this case, we need to identify the animal that does not live in holes among the given options.

Squirrel:
- Squirrels are small to medium-sized rodents that are known for their bushy tails and their ability to climb trees.
- While squirrels do not primarily live in holes, they may use tree cavities or build nests called dreys in the branches of trees.
- Dreys are usually made of twigs, leaves, and other materials and provide shelter for squirrels.

Snake:
- Snakes are elongated, legless reptiles that are known for their ability to slither and crawl on the ground.
- While snakes do not typically live in holes, they may seek shelter in burrows or crevices for protection or to regulate their body temperature.
- However, snakes are not dependent on holes for their survival and can be found in a variety of habitats.

Mole:
- Moles are small, burrowing mammals that are adapted to living underground.
- Moles dig tunnels and create complex burrow systems in the soil, which serve as their homes.
- These burrows have various chambers for nesting, storing food, and traveling.
- Moles have specialized adaptations such as strong forelimbs and shovel-like hands that allow them to dig efficiently.

Conclusion:
Among the given options, the animal that does not primarily live in holes is the squirrel. While squirrels may utilize tree cavities or build nests in the branches of trees, they are not dependent on holes in the ground for their survival. Both snakes and moles have adaptations that allow them to live in holes or burrows.