What does it take to be the world's southernmost living mammal? Guts, grit, and...super milk? Learn what makes the Weddell seal one of the toughest—and cutest—animals to ever flop around the Antarctic coast.

Written and narrated by Daniel Hentz | Artwork by Natalie Renier, © Woods Hole Oceanographic Institution.

Special thanks to our friends at Montana State University and the Erebus Bay Weddell Seal Population Study for providing the seal recordings heard in this episode—NMFS Permits No. 1032-1917 and No. 26375 according to their chronological appearance in the story.

You can check out their work at https://weddellsealscience.com/index.html