HD
00:00:00 / 01:42:36
Source: hdmovie2.homes by meganflix
Ethologie der Graugans
1950-01-01 | 13 min. | Documentary
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 the alarm call and landing "by order" of the flying young.
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