These fighting dogs bark ferociously until ...

Defending their territory is for a dog one of the most predominant instincts and these dogs in the video are definitely proof of that!

Instead, what is refuted is the supposed courage and intelligence of dogs!

Case in point --- completely absorbed in barking ferociously against each other these dogs that are separated only by a metal fence gate do not notice that the gate is opening!

They continue to bark ferociously until there is nothing separating them ... and then?! Incredible! Enjoy the ending....