Ethologie der Graugans

Ethologie der Graugans

Ethologie der Graugans


(6 de 35 utilisateurs)

0h 13m 1950 HD

ethologie der graugans (1950) Gratuits en Français, streaming VF ethologie der graugans 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.

Ethologie der Graugans (1950)
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