Bertie Gregory

Bertie arrives in the Serengeti as the spectacular wildebeest migration kicks off. He’s here to film the fastest land animal on Earth: the cheetah. As he gets close to a mother caring for her tiny cubs and a young group of males executing phenomenal hunts as a team, he learns about the unexpected challenges the species endures.

Bertie heads to South Africa for his most audacious mission yet. The wild waters here are a hotspot for one of the ocean’s most famous and feared predators, the great white shark. Diving in the shallows without a cage, Bertie will attempt to film these huge sharks. By entering their domain, he discovers the challenges they face on our rapidly changing planet.

Bertie Gregory heads to the Azores, a vital marine sanctuary and seasonal hotspot for migrating ocean predators. During feeding season, thousands of elusive hunters gather to feast on massive bait balls. Battling storms and scanning vast seas, Bertie races against time to capture the most epic feeding frenzy of his career.

In Mexico’s Pacific waters, Bertie Gregory goes in search of one of the ocean’s most iconic predators: the hammerhead shark. Once abundant in these seas, hammerhead numbers have plummeted, making sightings increasingly rare. Bertie investigates what’s driving the hammerhead decline, and how protected waters offer hope for the future. His journey culminates in a rare and unforgettable encounter that shines a light on the future of one of the world’s most famous sharks.

Bertie Gregory braves arctic temperatures to encounter a unique group of hardcore animals.

National Geographic wildlife filmmaker Bertie Gregory takes audiences on an adventure to iconic South Georgia Island. Sailing through the roughest ocean on the planet in a 50-foot boat, his team's target is the sub-Antarctic island, known for its breathtaking scenery and high concentration of wildlife. It's a life of extremes for Antarctic fur seals. Bulls fight to the death for breeding rights, while seal moms work to raise their adorable pups.

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Bertie arrives in the Serengeti as the spectacular wildebeest migration kicks off. He’s here to film the fastest land animal on Earth: the cheetah. As he gets close to a mother caring for her tiny cubs and a young group of males executing phenomenal hunts as a team, he learns about the unexpected challenges the species endures.

Bertie heads to South Africa for his most audacious mission yet. The wild waters here are a hotspot for one of the ocean’s most famous and feared predators, the great white shark. Diving in the shallows without a cage, Bertie will attempt to film these huge sharks. By entering their domain, he discovers the challenges they face on our rapidly changing planet.

Bertie Gregory heads to the Azores, a vital marine sanctuary and seasonal hotspot for migrating ocean predators. During feeding season, thousands of elusive hunters gather to feast on massive bait balls. Battling storms and scanning vast seas, Bertie races against time to capture the most epic feeding frenzy of his career.

In Mexico’s Pacific waters, Bertie Gregory goes in search of one of the ocean’s most iconic predators: the hammerhead shark. Once abundant in these seas, hammerhead numbers have plummeted, making sightings increasingly rare. Bertie investigates what’s driving the hammerhead decline, and how protected waters offer hope for the future. His journey culminates in a rare and unforgettable encounter that shines a light on the future of one of the world’s most famous sharks.

Wildlife photographer Steve Winter and cameraman Bertie Gregory capture the lives of jaguars in the Pantanal of Brazil; a mother jaguar teaches her cub how to survive, while a male jaguar dives headfirst into a river to tackle a six-foot-long caiman.

Wildlife photographer Steve Winter and cameraman Bertie Gregory capture the lives of jaguars in the Pantanal of Brazil; a mother jaguar teaches her cub how to survive, while a male jaguar dives headfirst into a river to tackle a six-foot-long caiman.