Episode

When Whales Could Walk

Podcast: NOVA Presents
Published: Apr 14, 2026
Duration seconds: 1108
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Canonical source: https://play.prx.org/listen?ge=prx_322_77f324c7-3f56-4ae5-b894-e08f31000945&uf=https%3A%2F%2Ffeeds.wgbh.org%2F322%2Ffeed-rss.xml
Audio: https://dts.podtrac.com/redirect.mp3/tracking.swap.fm/track/sblTq32fyWAjsHzze2LG/dovetail.prxu.org/_/322/77f324c7-3f56-4ae5-b894-e08f31000945/NOVA_Remix_WWCWalk_Podcast_Audio_A_FINAL_01.mp3
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Markdown: /podcast/nova-presents-1297629/when-whales-could-walk.md

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Summary

What if whales had legs? Once upon a time, they did. Sort of. An astonishing fossil trail shows that modern whales actually evolved from hooved land mammals. Whales still carry the fingerprints of this past, from their stomach anatomy to their swimming gait. Dive in to discover the wild story of how whales traded legs for fins, as we uncover clues about their ancestors, as well as their unlikely present-day relatives. To watch the full film, visit https://www.pbs.org/wgbh/nova/video/when-whales-could-walk/ Learn more about NOVA and subscribe to our YouTube channel.