Constantinos Petrinos / Sunset reflected on the surface of the Aegean Sea on a calm day with a speedboat, Evia Island, Greece. July 2014.
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Michael Pitts / Green Turtle (Chelonia mydas) Hatchling swimming out to deep water from Karan Island after being released from boat. Saudi Arabia. Arabian Gulf.
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Enrique Lopez-Tapia / Tourists on a zodiac going past icebergs in Iceberg Alley, Pleneau Island, Antarctica
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Brent Stephenson / Dusky Dolphins (Lagenorhynchus obscurus) porpoising as they swim beside a boat. Off Kaikoura, Canterbury, New Zealand, October.
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Alex Mustard / A pod of Atlantic spotted dolphins (Stenella frontalis) riding on the bow wave of a boat. Sandy Ridge, Little Bahama Bank. Bahamas
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Ashley Cooper / Commerson's dolphin (Cephalorhynchus commersonii) swimming round a ship off the Falkland Islands. February 2014
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Ashley Cooper / Peale's dolphin (Lagenorhynchus australis) bow riding off the front of a boat, Falkland Islands, South Atlantic. February.
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Ashley Cooper / Commerson's Dolphin (Cephalorhynchus commersonii) swimming round a ship off the Falkland Islands. February 2014
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Ashley Cooper / Commerson's Dolphin (Cephalorhynchus commersonii) swimming round a ship off the Falkland Islands. February 2014
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Ashley Cooper / Commerson's Dolphin (Cephalorhynchus commersonii) swimming round a ship off the Falkland Islands. February 2014
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Ashley Cooper / Fishing boat sailing through Icebergs from the Jacobshavn glacier or Sermeq Kujalleq, Greenland, July 2008.
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Ashley Cooper / Tourist boat trips sail through Icebergs from the Jacobshavn glacier or Sermeq Kujalleq, Greenland, July 2008.
