What is a pig thinking?
Smarter than your dog. Politely declines to prove it.
Pigs have learned to operate a joystick-controlled video game with their snouts, understanding that moving the cursor changes something on a screen - an abstraction that puts them alongside primates on that particular task.
They also handle mirrors. Pigs shown a mirror can use the reflection to locate food hidden behind them, which requires understanding that the image is information about the room rather than another pig.
UncommonAround where it lives, but it takes a walk, a visit, or some luck.
Try it on a real one
Three peeks a day, free. No account, nothing to install.