Why do cats scratch objects?

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Cats scratch objects to fulfill several instinctual needs that are essential to their well-being and natural behavior:

  • Territorial Marking: Cats use scratching to establish their domain. They possess scent glands on the underside of their paws, which leave a unique scent on surfaces, signaling ownership to other cats. Visible marks left on objects also serve as visual territorial markers.1
  • Claw Maintenance: Scratching allows cats to shed the worn-out outer sheath of their claws, exposing a sharper, healthier layer underneath. This process is vital for maintaining the claws they rely on for hunting and self-defense.1
  • Physical Exercise: The act of scratching provides a full-body workout, enabling cats to stretch their muscles and flex their feet and claws.1
  • Sensory Stimulation and Stress Relief: Engaging with different textures and resistances provides sensory satisfaction. This activity helps reduce stress and prevents boredom, which is especially important for indoor cats that have limited opportunities for natural exploration.1

Because scratching is a normal, instinctual behavior, it should not be punished. Instead, owners should provide appropriate scratching substitutes, such as scratching posts, to protect furniture.2