Arctic terns, Sterna Paradisaea, taking off from ice floe near Humboldt Glacier, Greenland.

Arctic terns, Sterna Paradisaea, taking off from ice floe near Humboldt Glacier, Greenland. Photographed from the Greenpeace Arctic Sunrise during a 2009 expedition to examine the effects of climate change on the Arctic environment Arctic terns, Sterna Paradisaea, taking off from ice floe near Humboldt Glacier, Greenland. , originally uploaded by Dave Walsh Photography. Arctic terns, Sterna Paradisaea, taking off from ice floe near Humboldt Glacier, Greenland. Photographed from the Greenpeace Arctic Sunrise during a 2009 expedition to examine the effects of climate change on the Arctic environment