Air travel is often a stressful, exhausting experience and the "hurry up and wait" nature of airports can often leave travelers either bored or terrified.
So when passengers notice that they're flying with a service animal, they're often delighted to learn that a very good boy is breaking the monotony. Although dogs are the most common of these passengers, it's important to note that they aren't necessarily the only ones.
And new guidelines from the U.S. Department of Transportation have just made that abundantly clear in the case of an unlikely animal that may be tapped for duty.