Aerial One Tree Island Great Barrier Reef Australia
Photographer: David Doubilet
Dead, dying coral that had experinced coral bleaching on Long Bommie Reef on Great Barrier Reef, Australia
Photographer: Jennifer Hayes
Aerial Great Detached Reef Great Barrier Reef Australia
Photographer: David Doubilet
algae covers dead and dying, bleached coral reef in Challenger Bay, Great Barrier Reef, Australia
Photographer: David Doubilet
Lone adelie penguin, Antarctica
Photographer: David Doubilet
Adelie penguins, Antarctica
Photographer: David Doubilet
A lone adelie Penguin on icefloe along the Antarctic Peninsula
Photographer: Undersea Images Inc
A National Geographic Lindblad Expeditions Zodiac explores the icebergs of the Antarctic Peninsula.
Photographer: Undersea Images Inc
Adelie Penguin stretches its flippers, Antarctica
Photographer: Undersea Images Inc
Leopard Seal at Astrolab Island Antarctica
Photographer: David Doubilet
Curious Llopard seal sees its relection in the glass dome on my camera, Antarctica.
Photographer: David Doubilet
Chinstrap and gentoo penguins on a bergy bit or small ice floe off Danko Island, Antarctic Peninsula
Photographer: David Doubilet
chinstrap penguins res on a bergy bit near danko island antarctica
Photographer: David Doubilet
harp seal pups (pagophilus groenlandicus) on greatly diminished ice pack in the gulf of st lawrence.
Photographer: David Doubilet
chinstrap penguins res on a bergy bit near danko island antarctica
Photographer: David Doubilet
david doubilet with harp seal pup magdalen island canada
Photographer: Jennifer Hayes