Movies: Institut Fur Den Wissenschaftlichen Film Iwf

  • 1952
    Kristallwachstum

    Kristallwachstum (1952)

    Kristallwachstum

    01952HD

    Experiments on the crystallization of various inorganic substances: crystallization from solution, crystallization from melt and vapour phase, mixed crystal formation, oriented growth, change from a metastable into a stable phase....

    Kristallwachstum
  • 1997
    Bonobo Sexual Behaviour and its Social Tension-Reducing Functions

    Bonobo Sexual Behaviour and its Social Tension-Reducing Functions (1997)

    Bonobo Sexual Behaviour and its Social Tension-Reducing Functions

    01997HD

    Bonobos show a particularly pronounced sexual activity and an extraordinarily broad spectrum of sexual contacts for primates. These also extend to non-reproductive life phases and partner combinations. For example, homosexual contacts and sexual cont...

    Bonobo Sexual Behaviour and its Social Tension-Reducing Functions
  • 1978
    Lebenszyklus der Ohrenqualle

    Lebenszyklus der Ohrenqualle (1978)

    Lebenszyklus der Ohrenqualle

    01978HD

    Short film about the life cycle of a moon jellyfish...

    Lebenszyklus der Ohrenqualle
  • 1980
    Schafzucht im schottischen Hochland - Schur und Auktion

    Schafzucht im schottischen Hochland - Schur und Auktion (1980)

    Schafzucht im schottischen Hochland - Schur und Auktion

    01980HD

    Before shearing, done with electric devices and hand shears, lambs are separated from the flock. The lambs are not yet shorn but dipped in a disinfectant, parasiticidal liquid prescribed by law. For the auction, held in autumn, the sheep for sale are...

    Schafzucht im schottischen Hochland - Schur und Auktion
  • 1952
    Konzert am Tümpel

    Konzert am Tümpel (1952)

    Konzert am Tümpel

    01952HD

    Various amphibious pond dwellers, including grass frogs, tree frogs, common toads and other amphibians are shown moving around, feeding, mating, fertilizing and evolving. Also on display are natterjack and midwife toads, yellow-bellied toads and wate...

    Konzert am Tümpel
  • 1952
    Balz und Paarbildung bei der Stockente

    Balz und Paarbildung bei der Stockente (1952)

    Balz und Paarbildung bei der Stockente

    01952HD

    The film begins by depicting the social courtship of the drakes. With increasing intensity of the instinctive movements actual pair formation is reached and mating follows, accompanied by prelude and postlude. The fight of the males follows and final...

    Balz und Paarbildung bei der Stockente
  • 1964
    Ansichten einer Stadt

    Ansichten einer Stadt (1964)

    Ansichten einer Stadt

    01964HD

    A portrait of the German city of Ulm and it's social activities, fassades, court building. Also about the role of the district court during National Socialism....

    Ansichten einer Stadt
  • 1965
    Gasterosteus aculeatus (Gasterosteidae) - Balz und Ablaichen

    Gasterosteus aculeatus (Gasterosteidae) - Balz und Ablaichen (1965)

    Gasterosteus aculeatus (Gasterosteidae) - Balz und Ablaichen

    01965HD

    The three-spined stickleback is shown. Nest building, zigzag dance, fanning at the nest, sometimes following a female, also short mouth fights, the female swimming into the nest, spawning, the male poking at the rear end of the partner, inseminating ...

    Gasterosteus aculeatus (Gasterosteidae) - Balz und Ablaichen
  • 1950
    Ethologie der Graugans

    Ethologie der Graugans (1950)

    Ethologie der Graugans

    01950HD

    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,...

    Ethologie der Graugans
  • 1975
    Otis tarda (Otididae) - Balzverhalten

    Otis tarda (Otididae) - Balzverhalten (1975)

    Otis tarda (Otididae) - Balzverhalten

    01975HD

    The courtship behavior of Great Bustards is studied. The male Great Bustard is considerably larger than the female. This impression is reinforced during courtship when the male dances in front of the female, showing the light undersides of its wings ...

    Otis tarda (Otididae) - Balzverhalten
  • 1997

    "Früher haben wir Tabak geliefert..." - Tabakanbau in der Uckermark 1993/94 (1997)

    "Früher haben wir Tabak geliefert..." - Tabakanbau in der Uckermark 1993/94

    41997HD

    The film documents the tobacco season of 1993/94 from the planting of the tobacco through the harvest and sale until the sowing for the next season - using some small planters from the villages around Schwedt on the Oder and a large farm, the former ...

  • 1952
    Bewegungsweisen bei Protozoen

    Bewegungsweisen bei Protozoen (1952)

    Bewegungsweisen bei Protozoen

    01952HD

    Short film about the movement patterns of protozoa...

    Bewegungsweisen bei Protozoen
  • 1988
    Duftmarkieren beim Warzenschwein

    Duftmarkieren beim Warzenschwein (1988)

    Duftmarkieren beim Warzenschwein

    01988HD

    Using gland regions on their heads, warthogs mark poles and other objects for self-orientation. Males often mark during the mating season. The male also sprays urine when searching for and inspecting sleeping cavities....

    Duftmarkieren beim Warzenschwein
  • 1988
    Paarungsverhalten beim Hausesel im Herdenverband

    Paarungsverhalten beim Hausesel im Herdenverband (1988)

    Paarungsverhalten beim Hausesel im Herdenverband

    01988HD

    Short film on the mating behaviour of donkeys...

    Paarungsverhalten beim Hausesel im Herdenverband
  • 1984
    Seevögel von Galapagos - Bewegungsweisen als Ernährungsstrategie

    Seevögel von Galapagos - Bewegungsweisen als Ernährungsstrategie (1984)

    Seevögel von Galapagos - Bewegungsweisen als Ernährungsstrategie

    01984HD

    The flight and feeding customs of the most important sea bird species of the Galapagos Islands are described. Some characteristic body and wing measurements are used to describe the flight of these species. The species which are able to forage furthe...

    Seevögel von Galapagos - Bewegungsweisen als Ernährungsstrategie
  • 1988
    Kampfverhalten beim Warzenschwein

    Kampfverhalten beim Warzenschwein (1988)

    Kampfverhalten beim Warzenschwein

    01988HD

    The arousal behavior of the warthog is shown. Also explained is the muzzle fight between boars and females....

    Kampfverhalten beim Warzenschwein
  • 1978
    Eumetopias jubata (Otariidae) - Verhaltensweisen in der Kolonie

    Eumetopias jubata (Otariidae) - Verhaltensweisen in der Kolonie (1978)

    Eumetopias jubata (Otariidae) - Verhaltensweisen in der Kolonie

    01978HD

    The film shows open air shots of life in the colony of the sea lion. The following behaviours are shown: establishing territories and rivalry fights, courting and mating, feeding the young, play among young animals....

    Eumetopias jubata (Otariidae) - Verhaltensweisen in der Kolonie
  • 1993
    Jungenaufzucht beim Riesenfischer

    Jungenaufzucht beim Riesenfischer (1993)

    Jungenaufzucht beim Riesenfischer

    01993HD

    A short film about the kingfisher Ceryle (Megaceryle) maxima, which lives in sub-Saharan Africa on large rivers and lakes....

    Jungenaufzucht beim Riesenfischer
  • 1980
    Beutefang des Fischadlers

    Beutefang des Fischadlers (1980)

    Beutefang des Fischadlers

    01980HD

    Documentary on how the osprey catches its prey. The film shows the search for prey, the launch maneuvers, take-off maneuvers and the fights with the fish....

    Beutefang des Fischadlers
  • 1999
    Heimat der wandelnden Seelen

    Heimat der wandelnden Seelen (1999)

    Heimat der wandelnden Seelen

    01999HD

    The Entlebuch is a rural pre-alpine area of Central Switzerland, known for its backwardness and isolation. This film deals with the contemporary life of the inhabitants of the region, between tradition and modernity. The protagonists' accounts of the...

    Heimat der wandelnden Seelen