10 most intelligent / least intelligent dogs

According to S. Coren, author of "The Intelligence of Dogs", there are three types of dog intelligence:

* Adaptive Intelligence (learning and problem-solving ability)
* Instinctive Intelligence
* Working /Obedience Intelligence

The first two intelligence's are individual dog specific, whereas Working / Obedience Intelligence can be applied to a whole breed.

Most intelligent dogs

These breeds on average require less than 5 repetitions to understand a new command. They obey first commands 95 % of the time or better.

Least intelligent dogs

Require more than 80 repetitions to understand a new command. Obey first commands less than 25 % of the time.