Cat Screensaver is a customizable screensaver that will display various pictures of cats. The cat (Felis silvestris catus), also known as the domestic cat or house cat to distinguish it from other felines, is a small carnivorous species of nocturnal mammal that is often valued by humans for its companionship and its ability to hunt vermin. It has been associated with humans for at least 9,500 years.

This is a furry animal that purrs and meows: a small domesticated mammal that has soft fur, sharp claws, pointed ears, and, usually, a long furry tail, and makes characteristic purring or meowing sounds. Cats are widely kept as pets or to catch mice. Cats typically weigh between 2.5 and 7 kg (5.5-16 pounds); Cat senses are attuned for hunting.

Cats have highly advanced hearing, eyesight, taste, and touch receptors, making the cat extremely sensitive among mammals. Cats night vision is superior to humans although their vision in daylight is inferior.

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