Cats typically weigh between 2.5 and 7 kilograms (5.5–16 pounds).  Small cats weigh less than 1.8 kg (4.0 pounds).  Some cat breeds, such as the Maine Coon, occasionally grow to over 11 kilograms.  There have also been cats weighing 21 kilograms as a world record.  Similarly the weight of the world`s smallest old cat is almost 1 kg kilohertz.Cats' loudest vibration is 64 kHz. They sleep 12-16 hours a day.  Normal body temperature ranges from 38 – 39 Celsius (101 – 102.2 Fahrenheit).  Cats have a rapid reproductive rate.

A cat's forelegs are connected by floating ribs.  So cats can fit their bodies into any small space their heads can fit.  Cats have five claws on their front feet and four claws on their hind feet.  Cats have a cushion-like foot structure to prevent sound transmission when they walk.  The consuming sense is 14 times that of a human.  Cats cannot taste sweet because their tongues do not have sweet taste buds.  Cats have lost this ability due to genetics.  Cats recognize other tastes.  Cats carry their young for up to two months.  A cat can have up to 150 litters in its lifetime. Archaeologists say that cats have been domesticated by humans for 10,000 years.  Africans were the first to domesticate cats.  Cats were originally bred to eat mice.  Then they are attracted by the way they interact with humans and start breeding.Cats are very self-cleaning.  Cats clean their fur thoroughly by licking it.  Cats have the ability to ball up fur that sticks to their tongues while cleaning.Cats have excellent night vision.  Low-level light is concentrated behind the eye's retina by a lens called the davidum lucidum, resulting in blurred vision even in low or dim light [8].  They are capable of seeing in one-sixth of the light that humans need to see.  Cats have excellent hearing and can hear a wide range of sounds.  They can hear higher pitched sounds more clearly than humans and dogs.Cats are carnivores by nature.  They are selective in hunting small mammals.  They are capable of chasing prey at short distances only.

Cats are loners.  So dogs, unlike lions, are separate from humans, like tigers and leopards.  Cats do not expect special attention like other animals . Cats are so self cleaning animal. Cats are carnivorous animal. There are two types of cats wild cat and domestic cats. Wild cats are bigger in size comparing domestic cat.