Cats are small pets. 
Cats are small animals. 

The domestic cat is a small mammal. 
Cats have very sharp teeth. Two long canine teeth help them catch prey. They also have teeth called carnassials. These act like scissors to shear meat into small pieces. 
Cats are very smart. They can learn by watching others. They also use many sounds to talk. They may purr, hiss, or meow. 
The domestic cat, known scientifically as Felis catus, is a small mammal that lives alongside humans. 

Many physical features help a cat work as a predator. Their claws stay tucked inside their paws when they are relaxed. This keeps the claws sharp and allows the cat to walk silently. A cat's skeleton is also special. They have free-floating collarbones, also called clavicles, which let them squeeze through tight spaces. 
History shows that cats and humans have a very old connection. 

There are many different types of cats living around the world today. 

Cats are also very intelligent and social animals. 

The domestic cat, scientifically named *Felis catus*, is a small carnivorous mammal. 
A cat's physical anatomy is perfectly designed for hunting. Their skeleton includes extra thoracic and lumbar vertebrae. This provides the extreme spinal mobility and flexibility seen in their movements. Unlike humans, cats have free-floating clavicles, or collarbones. This allows them to squeeze their bodies through any space that their head can fit into. 
Cats use several unique mechanisms to hunt and move. They possess protractible and retractable claws. In a relaxed state, these claws are sheathed within the skin and fur of the toe pads. This protects the claws from wear and allows for silent stalking. Most cats also walk in a digitigrade manner. This means they walk on their toes rather than the soles of their feet. They use a unique "pacing" gait, where they move both legs on one side at the same time. This minimizes noise and helps them navigate rough terrain with steady footing.
The history of cat domestication is a subject of ongoing scientific discovery. 

Today, the global population of domestic cats is massive. It is estimated that there are 600 million domestic cats worldwide. 
Cats exhibit high levels of intelligence and complex communication. They can solve problems and learn new behaviors through observation. 
Understanding cats involves looking at their biology and their impact on the environment. While they are valued for companionship, feral cats can impact other species. They are known to drive declines in certain bird, mammal, and reptile populations. To manage these populations, humans use methods like spaying and neutering. 
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