Institut Fur Den Wissenschaftlichen Film Iwf Movies
- 1984
Rana esculenta (Ranidae) - Beuteerwerb
Rana esculenta (Ranidae) - Beuteerwerb01984HD
The film shows the prey-catching behaviour of the edible frog at a small garden pond and at a gravelpit. The catching of creeping and (under experimen...
- 1975
Otis tarda (Otididae) - Balzverhalten
Otis tarda (Otididae) - Balzverhalten01975HD
The courtship behavior of Great Bustards is studied. The male Great Bustard is considerably larger than the female. This impression is reinforced duri...
- 1952
Kristallwachstum
Kristallwachstum01952HD
Experiments on the crystallization of various inorganic substances: crystallization from solution, crystallization from melt and vapour phase, mixed c...
- 1952
Actinosphaerium eichhorni EHRBG.
Actinosphaerium eichhorni EHRBG.01952HD
On display are the movement structures of Heliozoa, the expulsion of food remains, plasmogamy, separation and temporary bridging, "phobia".
- 1952
Balz und Paarbildung bei der Stockente
Balz und Paarbildung bei der Stockente01952HD
The film begins by depicting the social courtship of the drakes. With increasing intensity of the instinctive movements actual pair formation is reach...
- 1973
Sexuelle Prägung bei Prachtfinken
Sexuelle Prägung bei Prachtfinken01973HD
Zebra finches and Japanese gulls are shown, as well as the rearing of young zebra finches by Japanese gulls. Despite considerable differences in the a...
- 1979
Vormagenmotorik bei Wiederkäuern
Vormagenmotorik bei Wiederkäuern01979HD
The anatomy and function of the forestomachs of goats and sheep are explained. Ruminating is illustrated using animation, radiography and endoscopy.
- 1980
Technik des Vogelfluges
Technik des Vogelfluges01980HD
Gliding flight, soaring flight and flapping flight are presented as basic types of bird flight. The development of lift and propulsion are explained i...
- 1978
Köpfvorgang bei der Zuckerrübenernte mit dem Bunkerköpfroder
Köpfvorgang bei der Zuckerrübenernte mit dem Bunkerköpfroder01978HD
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. The test condit...
- 1964
Ansichten einer Stadt
Ansichten einer Stadt01964HD
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 S...
- 1993
Jungenaufzucht beim Riesenfischer
Jungenaufzucht beim Riesenfischer01993HD
A short film about the kingfisher Ceryle (Megaceryle) maxima, which lives in sub-Saharan Africa on large rivers and lakes.
- 1992
Variabilität des Fortpflanzungsverhaltens bei Japanischen Prachtlibellen
Variabilität des Fortpflanzungsverhaltens bei Japanischen Prachtlibellen01992HD
Calopteryx cornelia only occurs in one color morph and shows the typical dragonfly behavior. Species of the genus Mnais form different color morphs. M...
- 1969
Tiere auf Spitzbergen
Tiere auf Spitzbergen01969HD
The film shows birds and mammals of Spitzbergen: The snow bunting, Phalaropus fulicarius, Stercorarius parasiticus, the red throated loon, the arctic...