Whales are the largest mammals on earth. They’ve also been around a long time. According to UC Berkeley’s Evolutionary Biology website, the first whales evolved over 50 million years ago from a terrestrial ancestor.

CoastLine:  Whales Share Their Biographies Through Their Baleen, Say Researchers

CoastLine is a variety interview, arts, and occasional news show, hosted by Rachel Lewis Hilburn.Each week on CoastLine, we meet extraordinary humans -- scholars, writers, dancers, artists, comedians, scientists -- and we take a deep dive into their extraordinary ideas and lives.Subscribe to the CoastLine podcast on iTunes, Spotify, Stitcher, and Google Play. To find the podcast, search WHQR CoastLine. Contact us at coastline@whqr.org.CoastLine airs on WHQR 91.3 FM each Wednesday at noon and each Sunday at 4 PM.

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CoastLine: Whales Share Their Biographies Through Their Baleen, Say Researchers

CoastLine: Whales Share Their Biographies Through Their Baleen, Say Researchers