A close-up portrait of the daily lives of two cows.

Zoo-archeologists, biologists, ethologists and geneticists are leading the investigation. For one thing is certain, the dog is still far from revealing all its secrets.

It is believed that cats are just indifferent and egotistic; but they are more complex, interesting and even cuter than is commonly imagined. The astonishing process by which a newborn kitten becomes a fully grown cat reveals the amazing and true secret life of cats.

A housecat is oblivious to an unfolding apocalypse.

A Dog's Life examines how our canine companions perceive the world - from the moment they take their first morning walk to the time they curl up at our feet to go to sleep. We accompany Daisy, a Jack Russell Terrier, through an average day and on the way discover that, while dogs are not miniature humans, they are amazingly well adapted to life with us. But how well do we know them?

Through this exploration of three cows, each living in a very different environment, this documentary reveals the daily life and behavior of this fascinating animal with highly developed social intelligence.