NPR science producer Jason Orfanon has been guest blogging from Antarctica on The Picture Show. Here's a preview of some photos that he's been posting via Twitpic. Keep up with him on Twitter to see more, and check out the series page as he blogs from the bottom of the world.

A flock of Antarctic terns.
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An enormous and noisy flock of Antarctic terns. (Jason Orfanon/NPR)

A flock of Antarctic terns.

An enormous and noisy flock of Antarctic terns. (Jason Orfanon/NPR)

A humpback whale.
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A humpback whale captured mid-"tail slap." (Jason Orfanon/NPR)

A humpback whale.

A humpback whale captured mid-"tail slap." (Jason Orfanon/NPR)

A group of chinstrap penguins.
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Birds on a wire: a silhouetted group of chinstrap penguins perched on top of a floating iceberg. (Jason Orfanon/NPR)

A group of chinstrap penguins.

Birds on a wire: a silhouetted group of chinstrap penguins perched on top of a floating iceberg. (Jason Orfanon/NPR)

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