Question

Which animal does not live in gaps between stones.

Answer 1

Entombed animals are animals reportedly found alive after being encased in solid rock, or coal or wood,[1] for an indeterminate amount of time. The accounts usually involve frogs or toads. The reputed phenomenon, sometimes called "toad in the hole",[2] has been dismissed by mainstream science, but has remained a topic of interest to Fortean researchers.

Answer 2

Answer:

Mammals

Explanation:

Mammal  are very huge animals , and therefore cannot live in cracks within rocks .

Dwellers of this niche are usually small animals such as amphibians , reptiles and others like the insects .

This is because of their small body parts that can fit in the cracks unconditionally.

For my case I take the an example of the elephant.

The elephant is one of the huge mammals and cannot fit on on of the cracks at all  times.