* Large canines: Big cats have large canines, which they use for killing prey.
* Powerful jaws: Big cats have powerful jaws, which they use for crushing bones and eating meat.
* Thick fur: Big cats have thick fur, which helps to keep them warm in cold climates.
* Solitary lifestyle: Big cats are typically solitary animals, except for when they are mating or raising young.
* Excellent hunters: Big cats are excellent hunters, and they typically prey on large mammals.
* Endangered species: Many big cats are endangered species, due to habitat loss, hunting, and poaching.