Why do animals who live underground appear always clean and not full of dirt? (e.g. worms, mice, rabbit)

Question

Why do animals who live underground appear always clean and not full of dirt? (e.g. worms, mice, rabbit)

In: 7599

Answer 1

Simple explanation: because the insect spends most of its time in the dirt anyway, the presence of dirt on it is not seen as dirty in the same way that it would on a human, which doesn’t spend all its time in the dirt.