polecat-ferret hybrid

Its modern distribution is unclear to a certain extent because of the presence of polecat-ferret hybrids.

The advantages of polecat-ferret hybrids over pure ferrets include the hybrid's better eyesight, their greater physical capabilities and their more independent nature.

Being so closely related to polecats, ferrets are quite easily able to hybridize with them, and this has occasionally resulted in feral colonies of polecat-ferret hybrids that have been perceived to have caused damage to native fauna, perhaps most notably in New Zealand.