Wildlife: Mug Shots
  • De George W. Frame, Ph. D.
  • Duração: 0:02:43
  • Narrador: Highlights for Children
  • Editora: Highlights

Wildlife biologists need special ways to recognize individual animals that they are studying.

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How the Weaverbird Built His Nest
  • De George W. Frame, Ph. D.
  • Duração: 0:04:20
  • Narrador: Highlights for Children
  • Editora: Highlights

How does the male weaverbird make such a perfect nest? By building it over and over again until he gets it right.

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