They're Quite Aggressive
While stoats are quite small, they can do a surprisingly high amount of damage. They will bite whenever they feel threatened. ... They will attack cats and dogs when threatened, which will occur when the animal enters their territory. They cannot climb super well, so some cats are able to escape.
Are stoats aggressive?
Tiny invaders: Stoats are voracious and aggressive predators that can seriously damage new environments that they invade.
What animals do stoats kill?
Stoats hunt during the day or at night and can cover large distances. The main prey of stoats are rodents, birds and their eggs, rabbits, hares, possums and invertebrates (particularly weta). Lizards, freshwater crayfish, carrion, hedgehogs and fish are also taken.