Why Pigs Can’t Look Up — At Least Not the Way We Do

There are certain human abilities we rarely think twice about—like looking up at the sky. But did you know that for some animals, this simple act is nearly impossible? One surprising example is the pig.

Pigs can’t look straight up at the sky. Why? It all comes down to the structure of their necks, spines, and eye placement.

Pigs have eyes located on the sides of their heads, a common feature in prey animals that need to be constantly aware of their surroundings. This gives them a panoramic field of vision of about 310 degrees. However, it comes with trade-offs: they have a blind spot directly in front of their snouts and another directly above their heads. Their upward vision is limited to around 50 degrees, which makes direct upward glances nearly impossible.

But here’s where it gets interesting: pigs have adapted clever ways to “look up”. If something catches their attention above them, they’ll often step back to gain perspective, tilt their heads as far as they can, or even lie down and roll onto their backs to get a full view of the sky. So while they can’t lift their heads and gaze up like we can, they’ve found workarounds.

The Answer Is: That’s the PIG.

A great reminder that what we consider “simple” might actually be a rare evolutionary gift—and that animals have all kinds of smart adaptations for getting around their physical limits.