The Great Blue Heron
Production: United States of America
Release date: 1976-01-01
Provides, through onsite study and observations of a young biologist, an introduction to the life cycle and habitat of the blue heron. Shows its cycles of migration, reproduction and growth and obstacle to survival.
5
7.6
8.5
7.5
7
6.4
0
0
8
8.3
0
0
0
6.6