There are guard dogs, and then there are guard dogs that are so good that you think they might actually be some sort of canine android.
Mark this lad down in the latter category.
Shared by Twitter user Paul Bronks - but it looks like it's somewhere in the States - the unnamed dog darts from window to window so quickly that it is, indeed, like being watched by four different dogs.
Any burglar that gets past this guy would be doing well.
Watch it below:
A guard dog so good, he makes you think he's four dogs. pic.twitter.com/DqfcHlF9Wv
— Paul Bronks (@BoringEnormous) July 19, 2018