What Is a Bird?

Series: Biology Series Unit 7 - Animal Classification and Physiology

Duration: 16

Year Published: 1962

Creator: Encyclopaedia Britannica Educ Corp

Format: 16mm

Color: Color

Description: Uses live-action, animation, and stop-motion photography to trace the evolutionary relationships between reptiles and birds. Compares feathers to scales and shows the development of the bones and heart of a bird. Points out how birds are capable of living in a great number of environmental niches. Describes nesting habits, feeding of the young, and instinctive behavior patterns. Depicts experiments studying effects of length of daylight on reproductive organs., Biological aspects of the bird as an animal. Evolutionary development of the bird. Characteristics of the bird and bird behavior: nesting, migration, and care of young. Adaptations of bills and feet.

Complete Record: Uses live-action, animation, and stop-motion photography to trace the evolutionary relationships between reptiles and birds. Compares feathers to scales and shows the development of the bones and heart of a bird. Points out how birds are capable of living in a great number of environmental niches. Describes nesting habits, feeding of the young, and instinctive behavior patterns. Depicts experiments studying effects of length of daylight on reproductive organs., Biological aspects of the bird as an animal. Evolutionary development of the bird. Characteristics of the bird and bird behavior: nesting, migration, and care of young. Adaptations of bills and feet.NOTE: Two (or more) records have been merged together to create this data.