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Polar bears at play
Polar bear siblings in the Churchill Wildlife Management Area near Hudson Bay spar...
Bird scaring lines
Hundreds of birds congregate around the trawl fishing vessel. The orange "bird...
McMurdo Station is the hub of the U.S. Antarctic Program. Since 1955, scientists...
Sediment Core Close-Up
These deep-sea sediment cores were drilled from beneath the seafloor, and hold...
In the 1940s the short-tailed albatross population plummeted from tens of millions...
The lion’s mane jellyfish (Cyanea capillata) is the largest among the jelly...