Bertie Gregory

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.

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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.

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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.

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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.

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Over two extraordinary years, National Geographic Explorer Bertie Gregory discovered never-before-filmed secret traditions, surprising intelligence and close-knit societies of penguins. This astonishing series reveals they are more like us than we ever dreamed, from their powerful friendships to the courageous risk-takers using ingenuity and innovation in some of the world's most extreme places.

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A man forms an unlikely friendship with a wild otter while living in the remote Shetland Islands.

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Bertie Gregory travels the world to show animals' lives like never before.

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Follow the escapades of a young Explorer as he travels the world capturing extraordinary footage of wild animals.

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A unique fusion of blue chip natural history and earth science that explains how our living planet operates. This five-part series shows how the forces of nature drive, shape and support Earth’s great diversity of wildlife.

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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.

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Wildlife filmmaker Bertie Gregory goal is to find stories that get people to fall in love with the natural world and show that looking after wildlife is more than just a nice thing to do, it's crucial to all our futures.

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