This behavior in dogs reveals that they can change their actions based on what humans think and feel. They take into account what humans can see and what they cannot.
"That's incredible because it implies dogs understand the human can't see them, meaning they might understand the human perspective," Dr. Kaminski said in a press statement.
This study, funded by the Max Planck Society, is the first that describes how dogs distinguish between different levels of light when they are making strategies to steal food.