
Bears of the Last Frontier
Ecologist Chris Morgan travels to northern Alaska in late fall to see polar bears.

Ecologist Chris Morgan travels to northern Alaska in late fall to see polar bears.

Ecologist Chris Morgan travels to northern Alaska in late fall to see polar bears.

Wildlife in Yellowstone National Park adapts to cold conditions as winter approaches.

Wildlife in Yellowstone National Park adapts to cold conditions as winter approaches.

Wolfgang Bayer captures the winter solitude of Yellowstone National Park.

Wolfgang Bayer captures the winter solitude of Yellowstone National Park.

Deforestation threatens macaque monkeys of Japan.

Deforestation threatens macaque monkeys of Japan.

Female Adelie penguins lay their eggs and leave the males to guard the nests.

Female Adelie penguins lay their eggs and leave the males to guard the nests.

Penguins, seals, soft corals, sponges, tubeworms, anemones and giant cod adapt to life in Antarctica's subzero waters.

Penguins, seals, soft corals, sponges, tubeworms, anemones and giant cod adapt to life in Antarctica's subzero waters.

Beauty is part of the mysterious and exotic place.

Beauty is part of the mysterious and exotic place.

Icebergs are the source of life for seals, krill, penguins and petrels.

Icebergs are the source of life for seals, krill, penguins and petrels.

Uncover the activity, both human and natural, that occurs on the slopes of volcanoes.

Uncover the activity, both human and natural, that occurs on the slopes of volcanoes.

Ecologist Chris Morgan travels to northern Alaska in late fall to see polar bears.

Ecologist Chris Morgan travels to northern Alaska in late fall to see polar bears.