An adult Gentoo penguin standing on its nest with its two young chicks. (credit: National Geographic/Bertie Gregory)Posted 03/12/25102_SecretsOfThePenguins_MM10111_240303_15926.jpg
The first male Macaroni penguins to arrive back from their time fishing at sea being filmed starting their nests. (credit: National Geographic/Marina Hui)Posted 03/12/25102_SecretsOfThePenguins_IMG_5594_6.jpg
The Spirit of Sydney sailing along the coastline past a large iceberg. (credit: National Geographic/Bertie Gregory)Posted 03/12/25102_SecretsOfThePenguins_MM10111_240304_17667.jpg
A large group of Gentoo penguins in the water around an iceberg in the middle of the bay, on which a small group of them are standing. (credit: National Geographic/Bertie Gregory)Posted 03/12/25102_SecretsOfThePenguins_MM10111_240301_15678.jpg
An adult Gentoo penguin standing on its nest with its two young chicks. (credit: National Geographic/Bertie Gregory)Posted 03/12/25102_SecretsOfThePenguins_MM10111_240303_17366.jpg
An adult Gentoo penguin standing on its nest with its two young chicks is hassled by its chicks for food. (credit: National Geographic/Bertie Gregory)Posted 03/12/25102_SecretsOfThePenguins_MM10111_240303_17210.jpg
Bertie Gregory, Ralph Bower and Spencer Millsap posing for a photo whilst pushing icebergs out of the way of the boat with metal poles. (credit: National Geographic/Bertie Gregory)Posted 03/12/25102_SecretsOfThePenguins_MM10111_240304_17665.jpg
A group of male Macaroni penguins on nests and building nests. (credit: National Geographic/Marina Hui)Posted 03/12/25102_SecretsOfThePenguins_IMG_5595_7.jpg
Ralph Bower sits alone on a small rock in the middle of the bay filming Gentoo penguins. (credit: National Geographic/Bertie Gregory)Posted 03/12/25102_SecretsOfThePenguins_MM10111_240304_17601.jpg
Two small groups of Gentoo penguins stand on an iceberg in the bay. (credit: National Geographic/Bertie Gregory)Posted 03/12/25102_SecretsOfThePenguins_MM10111_240301_15683.jpg
The Spirit of Sydney sailing into an inlet between two mountains in the Antarctic Peninsula. (credit: National Geographic/Bertie Gregory)Posted 03/12/25102_SecretsOfThePenguins_MM10111_240224_15631.jpg
The Spirit of Sydney sails through an icy inlet surrounded by small icebergs. (National Geographic/Bertie Gregory)Posted 03/12/25102_SecretsOfThePenguins_MM10111_240304_17604.jpg
Dr Pablo Borboroglu among Rockhopper penguins, looking through binoculars. (credit: National Geographic/Anthony Pyper)Posted 03/12/25102_SecretsOfThePenguins_2T8A5003_001.jpg
The Spirit of Sydney sailing against a backdrop of a mountain range in the Antarctic Peninsula. (credit: National Geographic/Bertie Gregory)Posted 03/12/25102_SecretsOfThePenguins_MM10111_240224_15630.jpg
An adult Gentoo penguin standing on its nest feeding its two young chicks. (credit: National Geographic/Bertie Gregory)Posted 03/12/25102_SecretsOfThePenguins_MM10111_240303_17273.jpg
An adult Gentoo penguin standing on its nest with its two young chicks backlit by the setting sun. (credit: National Geographic/Bertie Gregory)Posted 03/12/25102_SecretsOfThePenguins_MM10111_240303_16794.jpg
On board the Spirit of Sydney looking back at adverse weather conditions across the bay. (credit: National Geographic/Bertie Gregory)Posted 03/12/25102_SecretsOfThePenguins_MM10111_240305_17739.jpg
The Spirit of Sydney against a backdrop of a mountain range in the Antarctic Peninsula. (credit: National Geographic/Bertie Gregory)Posted 03/12/25102_SecretsOfThePenguins_MM10111_240224_15627.jpg
A colony of Gentoo penguins stand on their nests against the backdrop of the sea full of icebergs. (credit: National Geographic/Bertie Gregory)Posted 03/12/25102_SecretsOfThePenguins_MM10111_240302_15694.jpg
An adult Gentoo penguin standing on its nest with its two young chicks. (credit: National Geographic/Bertie Gregory)Posted 03/12/25102_SecretsOfThePenguins_MM10111_240303_17491.jpg
The film crew returning on a rib back to the Spirit of Sydney against the backdrop of a mountain lit up by the setting sun. (credit: National Geographic/Bertie Gregory)Posted 03/12/25102_SecretsOfThePenguins_MM10111_240304_17618.jpg
Bertie Gregory flies a drone sitting on a rock against the backdrop of a steep snowy mountain range. (credit: National Geographic/Bertie Gregory)Posted 03/12/25102_SecretsOfThePenguins_MM10111_240226_15652.jpg
Ralph Bower sits alone on a small rock in the middle of the bay filming Gentoo penguins. (credit: National Geographic/Bertie Gregory)Posted 03/12/25102_SecretsOfThePenguins_MM10111_240304_17593.jpg
An adult Gentoo penguin standing on its nest feeding its two young chicks. (credit: National Geographic/Bertie Gregory)Posted 03/12/25102_SecretsOfThePenguins_MM10111_240303_16206.jpg
Cameraman Spencer Millsap and skipper Radoslaw 'Radek' Kloskowski on a rib. (credit: National Geographic/Bertie Gregory)Posted 03/12/25102_SecretsOfThePenguins_MM10111_240303_15726.jpg
Ralph Bower sits alone on a small rock in the middle of the bay filming Gentoo penguins. (credit: National Geographic/Bertie Gregory)Posted 03/12/25102_SecretsOfThePenguins_MM10111_240304_17597.jpg
Group of gentoos on land, with sea and icebergs in the background. (credit: National Geographic/Bertie Gregory)Posted 03/12/25102_SecretsOfThePenguins_MM10111_240302_15696.jpg
An Adult Gentoo with one older and one younger chick. (credit: National Geographic/Bertie Gregory)Posted 03/12/25102_SecretsOfThePenguins_MM10111_240303_16892.jpg
A group of gentoos on land, with sea and icebergs in the background. (credit: National Geographic/Bertie Gregory)Posted 03/12/25102_SecretsOfThePenguins_MM10111_240303_15746.jpg
A large group of Gentoo penguins in the water around an iceberg in the middle of the bay, on which a small group of them are standing. (credit: National Geographic/Bertie Gregory)Posted 03/12/25102_SecretsOfThePenguins_MM10111_240301_15680.jpg
An adult Gentoo penguin standing on its nest with its two young chicks. (credit: National Geographic/Bertie Gregory)Posted 03/12/25102_SecretsOfThePenguins_MM10111_240303_16691.jpg
