پنهنجو مفت اڪائونٽ چالو ڪيو!
اسان جي فلم ۽ وڊيو لائبريري صرف ميمبرن طرفان ندي وهڪري يا ڊائون لوڊ ڪري سگهجي ٿي
مفت ۾ ڏسندا جاري رکو ➞سائن اپ ٿيڻ ۾ 1 منٽ گهٽ لڳن ٿا پوءِ توهان لامحدود فلمون ۽ ٽي وي جا عنوان لطف اندوز ٿي سگهو ٿا.
Ethologie der Graugans (1950)
پڇڙي | HD | 13 منٽ | black and white, goose, short film
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.
ڇڏڻ: Jan 01, 1950
مقبوليت: 2.922
ٻولي: No Language
اسٽوڊيو: Institut für den wissenschaftlichen Film (IWF)
ملڪ: Germany
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