Barking can bite at relationships among neighbors - Article Photos 1/3

In this March 4, 2014, photo, dogs that are waiting to be adopted bark at Downtown Dog Rescue in South Gate, Calif. Barking is one of the biggest causes of feuds in neighborhoods across America. Dogs usually bark if they are bored, afraid, or anxious, and owners can help with all of those things. Lori Weise, founder and owner of the rescue, teaches the rescue's 17 to bark on command. (AP Photo/Nick Ut)