"Secrets of the Penguins" cinematographer Bertie Gregory describes how the birds would practically "break the fourth wall" ...

Footage Bertie Gregory filmed for National Geographic's 'Secrets of the Penguins' captures baby penguins making daring leaps ...

These emperor penguin chicks showed extreme bravery in the new Secrets of the Penguins documentary through National ...

National Geographic celebrates Earth Month with some flightless, feathered friends in "Secrets of the Penguins," streaming ...

An early clip from this new series, narrated by Blake Lively, was viewed more than 8 million times. Here’s what it takes to get the world talking about penguins.

A deep and exclusive look inside National Geographic's ambitious Secrets of the Penguins with host Bertie Gregory.

What particularly interested Cameron—himself a pioneer in underwater and deep-ocean filmmaking technology —were the custom ...

Executive producer James Cameron and wildlife filmmaker Bertie Gregory tell CNET how they captured never-before-seen moments ...

The documentary 'Secrets of the Penguins' offers viewers a new perspective on penguins' challenges. Voiced by Blake Lively ...

Footage Bertie Gregory filmed for National Geographic's 'Secrets of the Penguins' captures baby penguins making daring leaps Kelli Bender is the Pets Editor at PEOPLE. She has been working at ...

The amazing thing about filming penguins in the wild, “Secrets of the Penguins” cinematographer Bertie Gregory tells Variety, is that since the big birds don’t have land-based predators ...