Factors Affecting Soil Profile
Other ways that animals can affect soils is by burrowing, overturning soil through digging or ploughing and also through shallow diggings/scrapings.

Burrows create voids/chambers in soils that can allow air to react with soil beneath the land surface. Likewise they provide easier pathways for water to penetrate soil and affect changes that way.

Overturning soil whether its due to animals looking for food or human agriculture buries soil that was on the surface and brings deeper soil to the surface. It also aerates the top portion of the soil and it allows for easier penetration by water and it provides a greater surface area of soil to be exposed to the air in the atmosphere.

Shallow digging or scrapings by animals, particularly in very hard capped soils can create broken patches that allow water to penetrate a hard impervious cap and allow the water to penetrate deeper in the soil than it would otherwise.

Also, once soil has been overturned and aerated, whether by animals or humans, wind can blow away parts of the soil.