Leucistic caused by lack of melanin, or blond Antarctic fur seal pup (Arctocephalus gazella) on South Georgia, Polar Regions

King penguin (Aptenodytes patagonicus) breeding and nesting colony at Salisbury Plain in the Bay of Isles, South Georgia, Southern Ocean, Polar Regions

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

King penguin (Aptenodytes patagonicus) with introduced reindeer at breeding and nesting colony at St. Andrews Bay on South Georgia, Southern Ocean, Polar Regions

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

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

Young adult bull southern elephant seal (Mirounga leonina) close up while swimming in glacier run off, South Georgia Island, Polar Regions

Author Carl Safina photographing a pair of Magellanic penguins (Spheniscus magellanicus), Patagonia, Argentina, South America

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

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