Institut für den wissenschaftlichen Film (IWF) Movie Trailers
Most Popular Institut für den wissenschaftlichen Film (IWF) Trailers
Total trailers found: 34
Kristallwachstum Trailer (1952)
01 January 1952
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.
Schafzucht im schottischen Hochland - Lammzeit Trailer (1980)
01 January 1980
During the ewing-period the shepherd has to take especially care of the flocks. He has to assist the ewes in ewing, to control the feeding of the lambs, and to switch orphaned and abandoned lambs to ewes that have lost their lamb.
Aufzucht von Bienenköniginnen Trailer (1992)
01 January 1992
Queen rearing is one of the most important areas of beekeeping. After explaining the breeding objectives, the three most common methods for rearing queen bees are described: Breeding in the queenless colony; breeding via the pre-brood box; breeding via starter and finisher.
Beutefang des Fischadlers Trailer (1980)
01 January 1980
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.
Eumetopias jubata (Otariidae) - Verhaltensweisen in der Kolonie Trailer (1978)
01 January 1978
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.
Ethologie der Graugans Trailer (1950)
01 January 1950
The film gives a survey on innate behaviour patterns of the grey-lag goose. The first part shows reproductive behaviour.
Megaloprepus coerulatus (Pseudostigmatidae) - Flug und Fortpflanzungsverhalten Trailer (1988)
01 January 1988
For its reproduction, the megaloprepus dragonfly specifically relies on periodic puddles in tree holes and bromeliacea in tropical rain forests.
Rana esculenta (Ranidae) - Beuteerwerb Trailer (1984)
01 January 1984
The film shows the prey-catching behaviour of the edible frog at a small garden pond and at a gravelpit.
Raumkonkurrenz bei der Prachtlibelle Calopteryx haemorrhoidalis Trailer (1991)
01 January 1991
The film shows the spatial distribution and the behaviour of the Mediterranean demoiselle Calopteryx haemorrhoidalis on typical reproduction waters.
Schüttenhoff in Förste/Nienstedt 1989 Trailer (1993)
01 January 1993
Every fifth year in Förste/Nienstedt people gather to the "Schüttenhoff" (shooters court). For five days at Easter processions of three "battalions" take place symbolizing the storming, defence and conquering of barricades erected by inhabitants or local associations.
Gasterosteus aculeatus (Gasterosteidae) - Balz und Ablaichen Trailer (1965)
01 January 1965
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 the eggs in the nest after the female swims away.
Paarungsverhalten beim Hausesel im Herdenverband Trailer (1988)
01 January 1988
Short film on the mating behaviour of donkeys
Kampfverhalten beim Warzenschwein Trailer (1988)
01 January 1988
The arousal behavior of the warthog is shown. Also explained is the muzzle fight between boars and females.
Lebenszyklus der Ohrenqualle Trailer (1978)
01 January 1978
Short film about the life cycle of a moon jellyfish
Bewegungsweisen bei Protozoen Trailer (1952)
01 January 1952
Short film about the movement patterns of protozoa
Technik des Vogelfluges Trailer (1980)
01 January 1980
Gliding flight, soaring flight and flapping flight are presented as basic types of bird flight. The development of lift and propulsion are explained in the animation.
Schafzucht im schottischen Hochland - Schur und Auktion Trailer (1980)
01 January 1980
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.
Duftmarkieren beim Warzenschwein Trailer (1988)
01 January 1988
Using gland regions on their heads, warthogs mark poles and other objects for self-orientation. Males often mark during the mating season.
Seevögel von Galapagos - Bewegungsweisen als Ernährungsstrategie Trailer (1984)
01 January 1984
The flight and feeding customs of the most important sea bird species of the Galapagos Islands are described.
"Früher haben wir Tabak geliefert..." - Tabakanbau in der Uckermark 1993/94 Trailer (1997)
01 January 1997
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 Agricultural Co-operative in Vierraden in an exemplary manner.
Ansichten einer Stadt Trailer (1964)
01 January 1964
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.
Tiere auf Spitzbergen Trailer (1969)
01 January 1969
The film shows birds and mammals of Spitzbergen: The snow bunting, Phalaropus fulicarius, Stercorarius parasiticus, the red throated loon, the arctic gull, the puffin, the black guillemot, the loon and the common guillemot are photographed at the hatching place.
Otis tarda (Otididae) - Balzverhalten Trailer (1975)
01 January 1975
The courtship behavior of Great Bustards is studied. The male Great Bustard is considerably larger than the female.
Bonobo Sexual Behaviour and its Social Tension-Reducing Functions Trailer (1997)
01 January 1997
Bonobos show a particularly pronounced sexual activity and an extraordinarily broad spectrum of sexual contacts for primates.
Heimat der wandelnden Seelen Trailer (1999)
01 January 1999
The Entlebuch is a rural pre-alpine area of Central Switzerland, known for its backwardness and isolation.
Konzert am Tümpel Trailer (1952)
01 January 1952
Various amphibious pond dwellers, including grass frogs, tree frogs, common toads and other amphibians are shown moving around, feeding, mating, fertilizing and evolving.
Phoca vitulina - Schwimmen und Tauchen Trailer (1955)
01 January 1955
Swimming movements of a common seal under water, propulsion through hind extremities.
Jungenaufzucht beim Riesenfischer Trailer (1993)
01 January 1993
A short film about the kingfisher Ceryle (Megaceryle) maxima, which lives in sub-Saharan Africa on large rivers and lakes.
Balz und Paarbildung bei der Stockente Trailer (1952)
01 January 1952
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.
Köpfvorgang bei der Zuckerrübenernte mit dem Bunkerköpfroder Trailer (1978)
01 January 1978
The film shows a single-row beet harvester in action during the sugar beet harvest. The topping of the beets is shown at normal speed.
Vormagenmotorik bei Wiederkäuern Trailer (1979)
01 January 1979
The anatomy and function of the forestomachs of goats and sheep are explained. Ruminating is illustrated using animation, radiography and endoscopy.
Actinosphaerium eichhorni EHRBG. Trailer (1952)
01 January 1952
On display are the movement structures of Heliozoa, the expulsion of food remains, plasmogamy, separation and temporary bridging, "phobia".
Sexuelle Prägung bei Prachtfinken Trailer (1973)
01 January 1973
Zebra finches and Japanese gulls are shown, as well as the rearing of young zebra finches by Japanese gulls.
Variabilität des Fortpflanzungsverhaltens bei Japanischen Prachtlibellen Trailer (1992)
01 January 1992
Calopteryx cornelia only occurs in one color morph and shows the typical dragonfly behavior. Species of the genus Mnais form different color morphs.
