979-7804 - Sunset in the Weddell Sea, on the eastern side of the Antarctic Peninsula

979-7481 - Adult kelp gull (Larus dominicanus) foraging for small crustaceans in Ushuaia, Tierra del Fuego, Argentina, Southern Ocean

979-7384 - Curious adult leopard seal (Hydrurga leptonyx) approaches Zodiac near Booth Island, Antarctica, Southern Ocean

979-7216 - Adult emperor penguin (Aptenodytes forsteri) on sea ice near Snow Hill Island in the Weddell Sea, Antarctica.

979-7517 - Adult humpback whale (Megaptera novaeangliae) surface lunge-feeding on krill near the Antarctic Peninsula, Antarctica, Southern Ocean

979-7632 - A large pod of 25 to 45 Type B killer whales (Orcinus nanus) in Paradise Bay, Antarctica, Southern Ocean

979-7714 - Chinstrap penguin (Pygoscelis antarctica) in surf conditions at Baily Head on Deception Island, South Shetland Island Group, Antarctica

979-7650 - A small pod of 6 killer whales (Orcinus orca) near Cape Horn, South America

979-7282 - Adult emperor penguin (Aptenodytes forsteri) on sea ice near Snow Hill Island in the Weddell Sea, Antarctica.

979-7571 - Captain Oliver Kruess (L) and Expedition Leader Tim Soper (R) from the Lindblad Expedition ship National Geographic Explorer in Antarctica

979-7436 - Adult female leopard seal (Hydrurga leptonyx) stalking, then killing and eating an adult gentoo penguin in Paradise Bay, Antarctica, Southern Ocean

979-7606 - Neko Harbour is an inlet on the Antarctic Peninsula on Andvord Bay, situated on the west coast of Graham Land, Antarctica, Southern Ocean

979-7313 - Inside the abandoned Antarctic research British Base "W" on Detaille Island, Lallemand Fjord, Loubet Coast, Antarctica

979-7023 - A mother black bear (Ursus americanus) with two cubs near Mendenhall Glacier outside of Juneau, Southeast Alaska, USA. Pacific Ocean

979-7147 - Head detail of molting gentoo penguin (Pygoscelis papua) in Antarctica

979-6975 - Adult humpback whales (Megaptera novaeangliae) co-operatively "bubble-net" feeding along the west side of Chatham Strait in Southeast Alaska, USA. Pacific Ocean.

979-7437 - Adult female leopard seal (Hydrurga leptonyx) stalking, then killing and eating an adult gentoo penguin in Paradise Bay, Antarctica, Southern Ocean

979-7182 - Adult Black-browed albatross (Thalassarche melanophrys) feeding and preening chick at breeding colony on New Island in the Falkland Islands, Southern Atlantic Ocean

979-7066 - Antarctic Fur Seal (Arctocephalus gazella) during snow storm at Brown Bluff on the Antarctic Peninsula, Antarctica, Southern Ocean

979-7317 - Inside the abandoned Antarctic research British Base "W" on Detaille Island, Lallemand Fjord, Loubet Coast, Antarctica

979-7130 - Young adelie penguin (Pygoscelis adeliae) molting near the Antarctic Peninsula, Antarctica.

979-7241 - Adult emperor penguin (Aptenodytes forsteri) on sea ice near Snow Hill Island in the Weddell Sea, Antarctica.

979-7722 - Chinstrap penguin (Pygoscelis antarctica) colony at Baily Head on Deception Island, South Shetland Island Group, Antarctica

979-7343 - Adult cape petrels (Daption capense) following the ship in the Drake Passage, Southern Ocean

979-7643 - A small pod of at least 2 adult bull killer whales (Orcinus orca) near Cape Horn, South America

979-7081 - Deception Island

979-7772 - Reflections in calm water photographed from the Lindblad Expedition Ship National Geographic Explorer operating in Antarctica, Southern Ocean.

979-7575 - Staff from the Lindblad Expedition ship National Geographic Explorer Pete Puleston in Antarctica

979-7298 - Adult emperor penguin (Aptenodytes forsteri) on sea ice near Snow Hill Island in the Weddell Sea, Antarctica.

979-7399 - Adult leopard seal (Hydrurga leptonyx) hauled out on ice floe near the Antarctic Peninsula, Southern Ocean

979-7307 - Adult emperor penguin (Aptenodytes forsteri) on sea ice near Snow Hill Island in the Weddell Sea, Antarctica.

979-7574 - National Geographic photographer Sisse Brimberg from the Lindblad Expedition ship National Geographic Explorer in Antarctica

979-7070 - The Lindblad Expedition ship National Geographic Explorer in Dahlman Bay in late evening light as the waxing moon rises on the west side of the Antarctic Peninsula in Antarctica.

979-7703 - Adelie penguin (Pygoscelis adeliae) near the Antarctic Peninsula, Antarctica.

979-7060 - Brown Bear (Ursus arctos) fishing for pink salmon in Misty Fjords National Monument, Southeast Alaska, USA. Pacific Ocean.

979-6997 - Adult bald eagle (Haliaeetus leucocephalus) just outside of Sitka, Southeast Alaska, USA. Pacific Ocean

979-7225 - Adult emperor penguin (Aptenodytes forsteri) on sea ice near Snow Hill Island in the Weddell Sea, Antarctica.

979-7448 - Iceberg detail in and around the Antarctic Peninsula during the summer months, Southern Ocean

979-7213 - Adult emperor penguin (Aptenodytes forsteri) on sea ice near Snow Hill Island in the Weddell Sea, Antarctica.

979-7085 - Views of Deception Island, an island in the South Shetland Islands off the Antarctic Peninsula

979-7044 - Brown Bear (Ursus arctos) fishing for pink salmon near the salmon weir at Pavlof Harbor on Chichagof Island in Southeast Alaska, USA. Pacific Ocean.

979-7267 - Adult emperor penguin (Aptenodytes forsteri) on sea ice near Snow Hill Island in the Weddell Sea, Antarctica.

979-7071 - The Lindblad Expedition ship National Geographic Explorer in Dahlman Bay in late evening light as the waxing moon rises on the west side of the Antarctic Peninsula in Antarctica.

979-7735 - Gentoo penguins (Pygoscelis papua) bathing en masse in Antarctica, Southern Ocean

979-7323 - Adult Fin Whale (Balaenoptera physalus) power lunging in the Drake Passage between South America and the Antarctic Peninsula, Southern Ocean

979-6988 - Northern (Steller) sea lion (Eumetopias jubatus) close-up eating a small skate in Southeastern Alaska, USA

979-7551 - Humpback whale (Megaptera novaeangliae) surfacing near the Antarctic Peninsula, Antarctica, Southern Ocean

979-7441 - Iceberg detail in and around the Antarctic Peninsula during the summer months, Southern Ocean

979-7746 - Gentoo penguin parent (Pygoscelis papua) with chicks in Antarctica, Southern Ocean

979-7026 - A female black bear (Ursus americanus) fishing for sockeye salmon near Mendenhall Glacier outside of Juneau, Southeast Alaska, USA. Pacific Ocean

979-7510 - Humpback whale (Megaptera novaeangliae) flukes-up dive near the Antarctic Peninsula, Antarctica, Southern Ocean

979-7788 - Juvenile Antarctic tern (Sterna vittata) resting on iceberg in Neko Harbor, Antarctica, Southern Ocean.

979-7558 - Guests from the Lindblad Expedition ship National Geographic Explorer climb steep snow trail at Orne Harbor, Antarctica

979-7533 - Humpback whale (Megaptera novaeangliae) calf breaching near the Antarctic Peninsula, Antarctica, Southern Ocean

979-7667 - Adelie penguin (Pygoscelis adeliae) porpoising for speed near the Antarctic Peninsula, Antarctica.

979-7651 - A small pod of 6 killer whales (Orcinus orca) near Cape Horn, South America

979-7025 - A female black bear (Ursus americanus) fishing for sockeye salmon near Mendenhall Glacier, Southeast Alaska, USA. Pacific Ocean

979-7748 - Gentoo penguin parent (Pygoscelis papua) with chicks in Antarctica, Southern Ocean

979-7330 - The Lindblad Expeditions ship National Geographic Explorer pushes through ice in Crystal Sound, south of the Antarctic Circle, Antarctica, Southern Ocean

979-7226 - Adult emperor penguin (Aptenodytes forsteri) on sea ice near Snow Hill Island in the Weddell Sea, Antarctica.

979-7350 - Tractor buried in ash at whalers bay inside of the caldera at Deception Island, South Shetland Islands, Antarctica, Southern Ocean

979-7787 - Juvenile Antarctic tern (Sterna vittata) resting on iceberg in Neko Harbor, Antarctica, Southern Ocean.

979-7431 - Adult female leopard seal (Hydrurga leptonyx) stalking, then killing and eating an adult gentoo penguin in Paradise Bay, Antarctica, Southern Ocean

979-7010 - Adult humpback whales (Megaptera novaeangliae) co-operatively "bubble-net" feeding along the west side of Chatham Strait in Southeast Alaska, USA. Pacific Ocean.

979-7229 - Adult emperor penguin (Aptenodytes forsteri) on sea ice near Snow Hill Island in the Weddell Sea, Antarctica.

979-7102 - Southern Giant Petrels (Macronectes giganteus) attacking and eventually killing an imperial rock shag (Phalacrocorax (atriceps) atriceps) on a tiny offshore reef in the Beagle Channel outside Ushuaia, Argentina

979-7451 - Iceberg detail in and around the Antarctic Peninsula during the summer months, Southern Ocean

979-7068 - Antarctic Fur Seal (Arctocephalus gazella) during snow storm at Brown Bluff on the Antarctic Peninsula, Antarctica, Southern Ocean

979-7522 - Adult humpback whale (Megaptera novaeangliae) surface lunge-feeding on krill near the Antarctic Peninsula, Antarctica, Southern Ocean

979-7305 - Adult emperor penguin (Aptenodytes forsteri) on sea ice near Snow Hill Island in the Weddell Sea, Antarctica.

979-7471 - Crabeater seal (Lobodon carcinophaga) hauled out on ice floe near the Antarctic Peninsula

979-7745 - Gentoo penguin parent (Pygoscelis papua) with chicks in Antarctica, Southern Ocean

979-7206 - Adult emperor penguin (Aptenodytes forsteri) on sea ice near Snow Hill Island in the Weddell Sea, Antarctica.

979-7364 - Full moon (plus 1 day) rising over icebergs in the Weddell Sea, Antarctica. MORE INFO This moonrise occurred on January 1, 2010, the night after the blue moon full of December 31, 2009.

979-6982 - Hamatsa dancers from the Kwakwa_ka_'wakw first nations people in Alert Bay, British Columbia, Canada. No model or property releases for this image.

979-7409 - Adult female leopard seal (Hydrurga leptonyx) stalking, then killing and eating an adult gentoo penguin in Paradise Bay, Antarctica, Southern Ocean

979-7629 - A large pod of 25 to 45 Type B killer whales (Orcinus nanus) in Paradise Bay, Antarctica, Southern Ocean

979-7021 - Ralph Lee Hopkins in Southeast Alaska

979-7563 - Guests from the Lindblad Expedition ship National Geographic Explorer enjoy a hot asado sandwich prepared by staff at BBQ on an ice floe near Adelaide Island, Antarctica

979-7718 - Chinstrap penguin (Pygoscelis antarctica) in surf conditions at Baily Head on Deception Island, South Shetland Island Group, Antarctica

979-6965 - Moonrise over the ocean just outside Petersburg in Southeast Alaska, USA.

979-7541 - Humpback whale (Megaptera novaeangliae) surfacing with kelp gulls near the Antarctic Peninsula, Antarctica, Southern Ocean

979-7171 - Gentoo penguin (Pygoscelis papua) chick in Antarctica

979-7504 - Humpback whale (Megaptera novaeangliae) surfacing near Zodiac near the Antarctic Peninsula, Antarctica, Southern Ocean

979-7246 - Adult emperor penguin (Aptenodytes forsteri) on sea ice near Snow Hill Island in the Weddell Sea, Antarctica.

979-7183 - Adult Black-browed albatross (Thalassarche melanophrys) at breeding colony on New Island in the Falkland Islands, Southern Atlantic Ocean

979-7329 - The Lindblad Expeditions ship National Geographic Explorer pushes through ice in Crystal Sound, south of the Antarctic Circle, Antarctica, Southern Ocean

979-6985 - Fishing fleet at harbor in Alert Bay, British Columbia, Canada. No model or property releases for this image.

979-7567 - National Geographic photographer Flip Nicklin from the Lindblad Expedition ship National Geographic Explorer in Antarctica

979-7041 - Brown Bear (Ursus arctos) fishing for pink salmon near the salmon weir at Pavlof Harbor on Chichagof Island in Southeast Alaska, USA. Pacific Ocean.

979-7116 - South American Sea Lion (Otaria flavescens) hauled out on small rocky islet just outside Ushuaia, Beagle Channel, Argentina

979-7294 - Adult emperor penguin (Aptenodytes forsteri) on sea ice near Snow Hill Island in the Weddell Sea, Antarctica.

979-7716 - Chinstrap penguin (Pygoscelis antarctica) in surf conditions at Baily Head on Deception Island, South Shetland Island Group, Antarctica

979-7736 - Gentoo penguins (Pygoscelis papua) bathing en masse in Antarctica, Southern Ocean

979-7278 - Adult emperor penguin (Aptenodytes forsteri) on sea ice near Snow Hill Island in the Weddell Sea, Antarctica.

979-7505 - Humpback whale (Megaptera novaeangliae) flukes-up dive near the Antarctic Peninsula, Antarctica, Southern Ocean

979-7425 - Adult female leopard seal (Hydrurga leptonyx) stalking, then killing and eating an adult gentoo penguin in Paradise Bay, Antarctica, Southern Ocean

979-7724 - Antarctic shag (Phalacrocorax (atriceps) bransfieldensis) on the wing near Paulet Island, Weddell Sea, Antarctica

979-7320 - Adult Fin Whale (Balaenoptera physalus) power lunging in the Drake Passage between South America and the Antarctic Peninsula, Southern Ocean

979-7719 - Chinstrap penguin (Pygoscelis antarctica) in surf conditions at Baily Head on Deception Island, South Shetland Island Group, Antarctica