[["Cats don\u2019t only purr when they\u2019re happy. It can also be comforting for them when they\u2019re scared or in pain.", 411.0], ["Purring, is thought to be voluntary, as well as instinctive. Cats purr for various reasons, using the soft tones as a way of communicating, and as a form of self-soothing, or even healing. This is why cats will often purr when they're injured, or after a stressful event.", 368.0]]
why do cats purr
animals,cats