Why We Only Have Ten Toes (It's a Long Story)

Check out our podcast Eons: Mysteries of Deep Time: http://ow.ly/2J4450Iu69U

Today, all mammals from humans to bats have five fingers or fewer. Yes, even whales, whose finger bones are hidden in their fins. Birds have four or fewer and amphibians get the best of both worlds, often having four digits on their “hands” and five on their “feet.” But no species of vertebrates have more than five digits, let alone eight!

Thanks to these paleoartists for allowing us to use their incredible work in this episode!
Julio Lacerda: https://twitter.com/JulioTheArtist
Fabrizio de Rossi: https://www.facebook.com/ArtofFabricious/
Franz Anthony: https://franzanth.com/

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References: https://docs.google.com/document/d/1aNEkCZFljEb7WXt-ZmLFpefqbUrV5sDHFRaMEjgTRlE/edit?usp=sharing

Видео Why We Only Have Ten Toes (It's a Long Story) канала PBS Eons