Bird Behavior

Illustrates the territorial instinct by which the male bird declares his home territory in such phenomena as individual species' behavior, song, etc. Depicts devices for bird study field trips: food supplies to attract birds, ornithological maps, instruments to measure area, light intensity, and density of vegetation. States that bird study requires sharp eyes and ears and pencil and paper for recording observations.-AL BIRD CIRCUS P-c-J 1 I minutes 1082 color With a background of circus music, Dorothy's trained birds perform a variety of circus acts.