Every winter, off the coast of South Australia, thousands of giant cuttlefish gather for the showdown of a lifetime. In an effort to win a mate, these shape-shifting sea creatures display some of the most bizarre and brilliant tactics in the animal kingdom. The unique habitat attracts thousands of cuttlefish each year, making it the largest aggregation of the species in the world. Untold Earth explores the seeming impossibilities behind our planet’s strangest, most unique natural wonders. From fragile, untouched ecosystems to familiar but unexplained occurrences in our own backyard, this series chases insight into natural phenomena through the voices that know them best.

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