She looks' like a good food vacuum dog! They are my favorite.
I frequently walk into the lounge to see her balancing on her rear legs on the arm of my recliner, trying to peer into the top shelf of the bookcase next to it.
Because that is where I sometimes place my plate, high up, out of her reach, if snacking while reading or watching TV.
She now does it whether she has seen a plate there recently or not.
But it is the betrayed look when there is nothing there that really makes me laugh.