Although moose typically appear smiling and friendly when viewed from afar, they are actually very aggressive when disturbed and usually respond by charging at humans. Annually, more situations are reported of a moose charging at a human than bear attacks.
12. Big Cats
These wild predators –leopards, jaguars, lions and tigers – might resemble larger domestic cats, but they should absolutely never be played with as these felines are embedded with predatory instincts and are known to attack and kill even their handlers.