Dogs are amazing creatures. They are capable of doing a lot of things which we cannot event think of.Most of the people know some of the common facts about dogs; like they have got an amazing smelling ability, they have well developed hearing abilities, etc.
5 Mind Blowing Facts About Dogs
Service dogs have got some amazing skills. They are trained to know when they are on duty. Once their harness is on, they know from it that they are on duty but once they take it off, they at once become so playful and energetic like a normal dog.