This episode looks at the way our pets communicate. From barks and howls, to meows and cries, our domestic animals make a vast array of noises. But what do they actually mean?
The programme meets the super-intelligent parrot who has the communication skills of a young child. It also reveals how a cat uses a wide variety of sounds to help nurture her kittens and looks at how a dog has changed the life of a young boy with autism.
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