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Narwhal_in_pack_ice_OE_720.jpg

File name: Narwhal_in_pack_ice_OE_720.jpg Original Resolution: 720 pixels × 400 pixels File Size: 187 KB (MIME Type: image/jpeg) Publish Date: February 27, 2013

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A narwhal emerges for a breath in a lead, or crack, in the pack ice.