Kittens can purr when they are only a few days old, even before their eyes are fully open.
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Newborn kittens can't see or hear well, but they can feel vibration.
Purring may help a mother cat and her kittens stay in touch. The kittens purr while they nurse, which may tell her that all is well.
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The mother often purrs back, which may help guide and reassure her litter.



