Ethologie der Graugans

Name: Ethologie der Graugans
Released: 1950-01-01
Duration: 13 min

19500h 13mmovie

The film gives a survey on innate behaviour patterns of the grey-lag goose. The first part shows reproductive behaviour. In the second part some behaviour patterns of gosling being imprinted on their human foster parent are shown: following reaction, separation of two flocks according to their imprinting, response to t...