Dr. Jon at PetPlace.com says, "Behavioral problems are one of the most common reasons dogs are let out, abused and euthanized.  So I'd like to take a few minutes to give you information about the most common problems and what you can do to solve them. I'd like to save as many dogs as possible by helping you HELP them!

"Here are the problems and links to articles that may help.":

1.  Marking  
2.  Aggression  
3.  Barking  
4.  Jumping Up
5.  Nipping  
6.  Fear of Noise    
7.  Digging  
8.  Running Away  
9.  Whining 
10.  Chewing