[Bucky just laughs, which probably looks kind of scary because A. dogs don't laugh and B. that's a lot of sharp teeth to be showing off, but he's honestly amused and having a good time so why not.] What would you be interrupting? I'm a dog.

[He considers the statement as he extricates himself from the pile, shaking himself off a little.]

Or a wolf. I'm not actually sure. How 'bout you? I'm almost surprised you're not a bald eagle. [It's a joke, because a friendly dog is pretty much 100% accurate for you, bro.]