Watch the Planet Earth II trailer: https://www.youtube.com/watch?v=c8aFc...
**The series will be broadcast on BBC One in the UK this Sunday at 8pm and on BBC America from January 28th**
The Kauaʻi ʻōʻō: https://en.wikipedia.org/wiki/Kaua%CA...
For more on langauge-origin theories, this book is very good: https://www.amazon.com/First-Word-Sea...
music from
http://www.youtube.com/JakeChudnow
and http://www.audionetwork.com
Talking With Attenborough ─ Vsauce
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