The 10 smartest dogs in the world - the Australian Bulldog

Australian Cattle Breeder

This shepherd from Down Under was raised for cattle, so he needed to be busy, busy, busy. Also known as the Blue Heel, Queensland Heel, or ABD for short, this cow dog is agile, active and very bright. But ACD needs a job.

AKC said: "ACD is truly blue faithful, famously intelligent, alert, and vigilant against strangers. Without challenging the ACD, he can easily get bored and fall into a prank. ”