In addition to their distinctive appearance, cats are highly adapted to their environment. Their eyes are the largest of any mammal and are remarkably sensitive to light. They have large pupils, which can expand or contract depending on light density. Their eyes also have excellent night vision, with protruding eyelids and a 185 degrees field of vision. This specialized vision makes cats a superb choice for hunting because they can detect prey when most predators sleep at night.
The cat's bottom paws have thick, resilient pads that protect its foot and provide a firm grip on various surfaces. Their claws are highly developed and curved, making them better than a dog's. This makes them easier to grasp prey during hunting and slash during fights over territory. Their claws can also be retracted. As cats spend much of their time hunting, they have diverse coats of different colors.