Lake of Perch: Winter

This film described how fish survive over the winter in a lake. Some hibernate and some move to deeper portions of the lake. When ice forms and the water temperature drops to near freezing, the fish move slowly. By late winter, only the strong survive until the warmth of spring sun brings life back to the lake., Shows how animals survive winter in a lake, and how they can live due to the fact that they are cold blooded and their bodies have the same temperature as the water.
Complete catalog record
This film described how fish survive over the winter in a lake. Some hibernate and some move to deeper portions of the lake. When ice forms and the water temperature drops to near freezing, the fish move slowly. By late winter, only the strong survive until the warmth of spring sun brings life back to the lake., Shows how animals survive winter in a lake, and how they can live due to the fact that they are cold blooded and their bodies have the same temperature as the water.NOTE: Two (or more) records have been merged together to create this data.

Related films

Sources

  1. 16mm Filmography (legacy record) — title, year, creator, length, format, sound, genre, description, catalog record