On Earth Day, the Secrets of the Penguins will be revealed.

South Georgia has been in the headlines after the world's largest iceberg ran aground off its coast amid concerns it could impact wildlife on the island.

It also feeds the gentoo penguins, macaroni penguins ... catch shrimp-like krill and seabass but only in winter when most predators are absent and under strict controls. Some conservationists ...

However, where gentoo penguins have a broad and variable diet, macaroni penguins are specialist predators on krill. Their differing diets and foraging ranges allow the two penguin species to ...

While it was previously known that many marine animals like whales and dolphins and many air-breathing marine predators ... monitoring the penguins. They chose three penguin species to log their data, ...

The island has been in the headlines after the world's largest iceberg, A23a, ran aground off its south-west coast. There's a concern it could impact wildlife on the island - but the timing is ...