#6 Guarding Dogs
Dogs are natural guarders. One of the many reasons people have dogs is to guard the house from any possible threat that might come from the outside. When they detect danger they start to bard loudly.
#7 Lifeguard Dogs
Alongside with the Baywatch there are water rescue dogs also, whom practically perform the same job. They swim in the water when they spot a human showing signs of drowning. They grab them with their mouth and bring them back to shore.