Puppies are born blind and deaf. They navigate their newborn doggie world through smell, touch and warmth; they are completely dependent upon mom for survival. Hearing is the last sense to fully develop. When the puppy is about two weeks old, shortly after their eyes start to open, the gradual process of hearing begins. It will be another week or two before the puppies move from the critical transition period to the learning stage when they are able to hear mom, their litter mates or the outside world.
Did you know? Adult dogs hear about four times better than humans, they have a wider range of frequencies and can detect sounds at much lower decibels (dB), meaning they can hear sounds that are too high, too low or too quiet for us to hear. They are especially good at hearing higher-pitched sounds as high as 47,000 to 65,000 Hz. Adult humans cannot hear sounds above 20,000 Hertz (Hz).
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