peep
peep
Any sort of digging animal may leave a similar hole. Is there a small dog around?
an orifice is a hole in which something can be pass through.
a hard thing going through a hole
The palindrome for look through is peep.
peep
peep
peep
peep
A mouse can get through a hole the size of a ball point pen (7mm) . A shrew is smaller so can probably get through a hole of 4-7mm. I think small rodents can compress their skulls to squeeze through amazingly small gaps.
The movement of gas through a small hole into an area of lower pressure is diffusion.
Through a small hole in the base.
Make a small hole in a window cover and look at the opposite wall. ... when some of the rays reflected from a bright subject pass through a small hole in ... the creation of an inverted image formed by light rays passing through a pinhole.
diffraction
Gases are able to flow through a small hole because of diffusion. This is the process by which the rapidly moving molecules move apart through the collision with other molecules.
If the ferrets head will fit into the hole, then the rest of their body can go through the hole