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Bill Nye: The Science Guy - Season 3 - Episode 18 - Birds
Scientists believe that birds evolved from reptiles. Birds have backbones, and they lay eggs, but they’ve developed a unique feature that sets them apart from all other animals – feathers. Feathers are made of the same stuff human fingernails and hair are made from – a protein called keratin. Feathers, combined with lightweight bones, powerful wings and strong hearts let birds fly.
Genre: Comedy, Documentary, Family, Kids
Actor: Bill Nye, Rachel Glenn, Jennifer Lin, Amy Broder, Ethan Ferkiss, Toby Lawless
Creators: Bill Nye
Country: USA
Languages: en,
Episode: 18
Runtime: 26
Date Modified: 2017-10-13 14:02:00
Air Date: 1995-10-13
Year Released: 1993
Rating: 8.500 out of 10
Content Rating: TV-Y
Views: 71
Quality: HD
Networks:
PBS,
