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, Kids

Seasons:

5

Episodes:

100

Actor:

Bill Nye, Rachel Glenn, Jennifer Lin

Quality:

HD

Status:

Ended

First Air:

1993

IMDb:

7.4