If the ferrets head will fit into the hole, then the rest of their body can go through the hole
Black-footed ferrets sleep and raise their kits in abandoned prairie dog holes.
They have small teeth, because they are small animals
I don't believe you cannot train a ferret not to go in holes. It's their natural instinct to be in an enclosed place. Ferrets in the wild live underground in dens. You will either have to remove the ferrets from said place or restrict access.
Ferrets are strict carnivores - meat eaters and have been used for centuries for rodent extermination. Survival instincts. Ferrets were bred and domesticated to kill rats, better then cats can because they go after them in the actual holes.
You can get filters with small holes by using graphene.
yes, a ferrets heart is very small
Most ferrets sold in the US are from Marshall Farms, the largest ferret breeder in the US does not sell cinnamon ferrets. In the UK, there are more small ferret breeders probably selling cinnamon ferrets. In the US there are very few small ferret breeders.
The Ferret will more than likely try to kill and eat the Hedgehog. Ferrets prey on small animals.
No, ferrets are burrowing animals, but in the wild European polecat ferrets live in burrows of other animals. Black footed ferrets live in prairie dog burrows.
1,744,656 small holes
Feeding mainly on small rodents, especially prairie dogs, these ferrets also make their homes in the burrows of their victims.
There are numerous dangers to ferrets, You have to ferret proof their environment, ferrets need to be handle by a responsible person (no small kids), ferrets need a special diet, they are carnivores (meat eaters) and cannot digest fruits or vegetables. Ferrets can be prone to illness and disease if not taken care of properly. They could be perceived as prey by some dog breeds.