Amy Cadge, staff member from the Lindblad Expedition ship National Geographic Explorer taking a photograph with a camera in the Svalbard Archipelago, Norway, Arctic, Europe

Adelie penguins on ice with dark skies, Antarctica, Polar Regions

Northern giant petrel (Macronectes halli) amongst king penguin chicks at Gold Harbour, South Georgia, Southern Ocean, Polar Regions

Magdalena Island, Magallanes Region, Punta Arenas, Chile, South America

Bottlenose dolphin (Tursiops truncatus), surfacing in Cabo Pulmo National Marine Park, Baja California Sur, Mexico,, North America

Adult king penguin (Aptenodytes patagonicus) amongst chicks at breeding colony at Gold Harbour, South Georgia Island, Polar Regions

California gray whale calf (Eschrictius robustus), surfacing in San Ignacio Lagoon, Baja California, Mexico, North America