One of the most common types of barking is alarm barking out windows or behind fences.

Bark, bark, bark! How is a person supposed to work?
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One of the most common types of barking is alarm barking out windows or behind fences.
If the barking is excitement, there are several things that help
Not all barking occurs for the same reason. Nor do all barks sound the same.
Pay close attention to any signs or clues of anxiety when practicing your departures.