"I'll either see them on the roof barking at me and my dog Ralph and sometimes my wife," Andrew Anderson told Newsweek.

what may happen at some point is that the dog connects the dots and learns that he needs to bark and then pause to receive a treat. This chain may sound silly and look funny in action, but it can ...

They are highly intelligent and can be extremely demanding, as seen here with a cockatoo that has decided to call the dogs in ...