Birds and Their Characteristics

Duration:

Year Published: 1961

Complete Record: Shows and discusses four important characteristics common to all birds that differentiate them from the other groups of vertebrates: feathers, two wings and two legs, warm bloodedness, and beaks but no teeth. Discusses the adaptations and special characteristics of several kinds of familiar birds. Includes slow-motion photography to show the details of a bird's flight. Created in collaboration with orinthologist Albert Wolfson.

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