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.
| Title | Bill Nye the Science Guy - Season 3 Episode 18 Birds |
|---|---|
| Year | 1998 |
| Genre | Comedy, Documentary, Kids |
| Country | United States of America |
| Studio | PBS |
| Cast | Bill Nye, Rachel Glenn, Jennifer Lin, Amy Broder, Ethan Ferkiss |
| Crew | Bill Nye (Writer), Michael Gross (Writer), Kit Boss (Writer), Erren Gottlieb (Writer), Scott Schaefer (Writer), Darrel Suto (Writer) |
| Alternative Titles | 比尔教科学, Bill Nye, the Science Guy |
| Keyword | technology, space, educational, science |
| First Air Date | Sep 10, 1993 |
| Last Air date | Jun 20, 1998 |
| Season | 5 Season |
| Episode | 100 Episode |
| Runtime | 26:14 minutes |
| Quality | HD |
| IMDb: | 7.10/ 10 by 73.00 users |
| Popularity | 29.348 |
| Language | English |
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