Although ferrets have eyes, they are not unable to see that well. As a result, they use their other senses to guide them through their environment using their hearing and smell.
Since domesticated ferrets are not afraid of humans, they will be able to handle any new environment that they encounter without any fear. In fact, they dont mind living with other ferrets as it has been observed that some sleep on top of each other.
This is as people have observed are very different from their close relative the European polecat that chooses to live in isolation.
One reason that ferrets behave this way is due to the fact that they have been neutered thus decreasing the tension or rivalry in finding a mate however, they still show aggressive behavior towards other ferrets when playing, marking their territory or hunting. Lets talk about this behavior in their environment some more.
Ferrets play among themselves and neck biting is one example. Some scientists believe this is how the male controls the female during mating. But since they are already neutered before being given to the new owner, this may serve another purpose such as practicing how to hunt....