Barking is a normal dog behavior. Cats meow, birds sing, and canines bark, whine and howl. Every dog will bark, some more, some less. It is unrealistic to think that you can teach a dog NOT to bark at all. It is desirable though to keep barking under control. So when it comes to Dog Training, What to do about excessive dog barking, read on the learn all about how to correct this behavior.
Dogs who are alone and locked up in crates or apartments for a long period of time will eventually start barking as a hobby. Nobody is there to control him, he has a lot of pent-up energy, and so barking becomes an enjoyable distraction. Many dogs that start barking actually continue with that habit, it looks as if they do this just for the fun of it.
Excessive dog barking might also be a sign of separation anxiety. To control barking you have to realize first that the barking is caused by something. Either the dog is bored, frustrated, lonely, frightened, each one of these reasons might trigger barking.