They live inside rock crevices and canyon walls where humans cannot easily find them, which makes research difficult.

They spend most of their time hiding in rock crevices.

He seemed to spend a lot of time hiding in rock crevices lately.

This is an area for ferns and many grow in the rock crevices.

It can be found in rock crevices, and under stones.

To avoid this, they usually spend most of their time living in rock crevices.

It is usually found in rock crevices or under plant debris.

Then, getting a hand in a rock crevice, he tugged himself up.

Most of the year they are hidden in rock crevices.

Water often bubbles out of rock crevices and has a good quality.