Every cat owner has experienced the unexpected “foot ambush.” You settle down to relax or climb into bed, only to have your cat suddenly lunge at your feet for seemingly no reason. And the moment your toes twitch, your feline companion attacks with unrelenting enthusiasm.
But why do cats seem so fixated on feet? While cats are notorious for their odd and puzzling behaviors, there are actually several fascinating explanations for why they love to target feet in particular.
Why Do Cats Like To Bite Our Feet?

The primary reason cats bite and attack your feet and ankles as you walk is rooted in their natural instincts. As predators, chasing is an instinctive behavior for cats, and it’s in their nature to pounce on anything that moves—including you.
Play

Cats are inherently curious and playful creatures, and their natural instincts often lead them to engage with whatever is readily available. Your feet, being easily accessible, become an irresistible target for their playful energy. When cat owners ask, “Why does my cat bite my feet and ankles when I walk?” the most common explanation is simply playfulness.
Your feet are a dynamic, moving object, and as you walk away, the motion triggers your cat’s playful instincts. The farther you move, the more intriguing you become, and your cat may feel compelled to chase or engage with you, turning your movement into an exciting game. This behavior is often characterized by gentle nips or light bites, commonly referred to as “love bites.” These soft nibbles are a way for cats to show affection, much like a kitten would nibble its mother in a playful, bonding manner.
Another common question among cat owners is, “Why does my cat bite my feet under the blanket?” This behavior is yet another example of how cats turn everyday situations into playtime. At bedtime, when you’re tucked under the covers, your feet provide a fascinating target for your cat’s curiosity. The blanket adds an extra layer of mystery, and the movement of your feet beneath it captures your cat’s attention.
Your cat may notice the subtle shifts and wiggles of your feet under the blanket, prompting it to either attack from above or crawl underneath to nibble your toes. The soft fabric of the blanket provides a buffer, so while the play is still somewhat rough, it’s less likely to cause harm to your feet. However, it can still be quite bothersome if you’re trying to sleep, as the playful nibbles might disrupt your rest.
In both cases—whether it’s walking around the house or trying to sleep—your feet are seen as interactive toys by your cat, providing them with an engaging outlet for their natural instincts. While this behavior is typically playful and harmless, it’s important to ensure your cat has plenty of other outlets for its energy, such as toys or playtime with you, to reduce unwanted biting.