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Dugongs, along with manatees, make up a group of marine mammals called sirenians or...
Polar Bear on the Ice
Polar bears have evolved to survive in the Arctic with large, oar-like front paws...
This transparent cockatoo squid (Leachia sp.), also known as a glass squid, lives...
Smithsonian squid expert Dr. Clyde Roper collaborated with National Geographic to...