For "Earth Day", the National Geographic documentary series "The Secret World of Penguins", produced by Oscar winner James ...

Secrets of the Penguins is voiced by US actor Blake Lively and hosted by National Geographic explorer Bertie Gregory, who ...

The amazing thing about filming penguins in the wild, “Secrets of the Penguins” cinematographer Bertie Gregory tells Variety, ...

Secrets of the Penguins cinematographer, Bertie Gregory, shares the memorable moment he filmed baby penguins leaping from a 50-foot cliff with PEOPLE.

Anyone enamored by “March of the Penguins” all those years ago needs to watch the revolutionary new series “Secrets of the ...

Years of filming, often in extreme conditions, has provided new insights into the extraordinary challenges endured by ...