A New Look at Hummingbirds
  • Por Jack Myers, Ph.D.
  • Duración: 0:02:46
  • Narrador: Highlights for Children
  • Editor: Highlights

How does a hummingbird's thin beak snatch bugs from the air?

Drilling in the Ocean Floor
  • Por Jack Myers. Ph.D.
  • Duración: 0:05:06
  • Narrador: Highlights for Children
  • Editor: Highlights

Scientists visit the oceans of the world to study what is beneath the sea floor.

Why Do Cliff Swallows Live Together?
  • Por Jack Myers, Ph.D.
  • Duración: 0:04:38
  • Narrador: Highlights for Children
  • Editor: Highlights

Scientists have learned why these birds live in colonies.