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A fossorial organism is one that is adapted to digging and life underground such as the badger, the naked mole rat, and the mole salamanders Ambystomatidae. It is an adjective most commonly used to describe the habit of living underground, even if the physical adaptations are minimal — thus, most bees and many wasps are called "fossorial Hymenoptera", and a great many rodents are considered fossorial. Some organisms are fossorial to aid in temperature regulation, while others utilize the underground habitat for protection from predators or food storage.[1]

An animal is said to be subfossorial if it shows limited adaptations to a fossorial lifestyle.

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  1. ^ BBC-nature "Burrower videos, news and facts". BBC Nature. Retrieved September 2012.