These two playful gorillas picked the wrong primate to play around during their shenanigans at the San Diego Zoo. After rolling around on the ground inside a glass enclosure while visitors observed, it appears a nearby silverback gorilla isn't paying them much attention as the two gorillas ...

It doesn't get much more passive-aggressive than this ticked off lion who decides to scare off these tourists in an unexpected way. After making a bunch of noise and forcing the lion to come out, he slowly walks up. Instead of leaping toward them or roaring, the lion turns around and pees right ...