On the other side of the aquarium glass is a fresh dog tail. In fact, it's so fresh that it's still attached to the dog!
The penguin makes several passes, but is unable to reach the dog with his beak. The dog, long domesticated, has forgotten that he is the prey of penguins in the wild. He is dangerously unaware of his surroundings.
-via Gifsboom
Love cute animals? View more at Lifestyles of the Cute and Cuddly blog