Dolphins Up Close with Bertie Gregory
Sep. 18, 2025Dolphins Up Close with Bertie Gregory
Bertie Gregory heads to the Azores, a vital marine sanctuary and seasonal hotspot for migrating ocean predators. During feeding season, thousands ...
Bertie Gregory
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Secrets of the Penguins
Apr. 20, 2025Secrets of the Penguins
Over two extraordinary years, National Geographic Explorer Bertie Gregory discovered never-before-filmed secret traditions, surprising ...