Penguins as they have never been seen before. From the freezing Antarctic to the scorching tropics, 50 spy cameras capture unique footage of three extraordinary species.

Watched by spycams, chicks are hatching out all over. Male emperors form an identity parade before handing over their newborns to the returning females.

The chicks are growing up fast and becoming increasingly independent. Emperor and rockhopper chicks are placed in a creche as their parents go fishing. The Humboldts are left in their burrows, as the adults enjoy a soft landing of feathers by a beach swarming with cormorants.