Domestication made wolves more sensitive but dumber. Wolves in the wild have to catch their food and are very intelligent, There are several breeding programs to improve dog's IQ and the Chech and the Finnish border guard dogs are the most successful. About Finnish dogs:
The Border Guard uses dogs to be better able to perform its statutory duties. At the moment there are around 235 border guard dogs in active service in Finland.
Border guard dogs must be capable of demanding and sustained performance. A border guard dog that has completed basic training must be under the handler's control in all situations, regardless of any disturbances.
Border guard dogs are divided into four groups on the basis of their training:
A border control dog detects the tracks left behind by people as well as objects discarded by them. It also indicates the presence of a person in the terrain or in a building it has been told to check. A border control dog can also receive supplementary training in protection or drug detection.
A border check dog detects people hiding in a vehicle as well as the most common narcotics hidden in a vehicle or clothes. A border check dog can also receive supplementary training in tracking.
A coast guard dog detects people hiding in a vessel or vehicle as well as the most common narcotics. It is also able to assist in searches at sea. A coast guard dog can also receive supplementary training in protection and tracking.
Border guard dogs with special training include those trained for situations calling for the use of force or detecting explosives.
Dogs with training in protection protect their handler and stop and guard a person without causing danger or harm to outsiders. When necessary, a border guard dog with training in protection that has passed the related tests can be deployed as a use of force response.