It's not that dogs are easily distractable, it's just that they've got way different priorities than you or me, and their senses are roughly eighty billion times sharper than ours. What did you expect them to do with all the information they're getting, anyway? File it somewhere?
The next time I'm trapped in a fantasy movie and this guy pops out of the bushes to point the way to the Path of the Chosen One and tells me the magic word that activates the Sword of Heroes, you can be sure as fuck I'm going to be paying attention.
What are you, the Chief Curator of the Museum of Ennui?
Hey, I just discovered some stuck-together pages in The Way of Zen that are spookily relevant: "There is, indeed, nothing unnatural in long periods of quiet sitting. Cats do it; even dogs and other more nervous animals do it ... But it would seem that to be incapable of sitting and watching with the mind completely at rest is to be incapable of experiencing the world in which we live to the full. For one does not know the world simply in thinking about it and doing about it. One must first experience it more directly, and prolong the experience without jumping to conclusions. It also helps to be a fucking adorable little goddamn fluffball of a puppy."
A split second after I took this picture, he looked up at me, and the instant we made eye contact, he vanished in a puff of sparkling lavender smoke. I don't know what else to tell you.