Most Viewed From Institut für den wissenschaftlichen Film (IWF)

Calopteryx cornelia only occurs in one color morph and shows the typical dragonfly behavior. Species of the genus Mnais form different color morphs....

The Entlebuch is a rural pre-alpine area of Central Switzerland, known for its backwardness and isolation. This film deals with the contemporary life...

Every fifth year in Förste/Nienstedt people gather to the "Schüttenhoff" (shooters court). For five days at Easter processions of three...

The film shows birds and mammals of Spitzbergen: The snow bunting, Phalaropus fulicarius, Stercorarius parasiticus, the red throated loon, the arctic...

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...

The film shows the spatial distribution and the behaviour of the Mediterranean demoiselle Calopteryx haemorrhoidalis on typical reproduction waters....

Gliding flight, soaring flight and flapping flight are presented as basic types of bird flight. The development of lift and propulsion are explained...

Short film about the movement patterns of protozoa

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...

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...

For its reproduction, the megaloprepus dragonfly specifically relies on periodic puddles in tree holes and bromeliacea in tropical rain forests....

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

Various amphibious pond dwellers, including grass frogs, tree frogs, common toads and other amphibians are shown moving around, feeding, mating,...

Using gland regions on their heads, warthogs mark poles and other objects for self-orientation. Males often mark during the mating season. The male...

The flight and feeding customs of the most important sea bird species of the Galapagos Islands are described. Some characteristic body and wing...

Bonobos show a particularly pronounced sexual activity and an extraordinarily broad spectrum of sexual contacts for primates. These also extend to...

Experiments on the crystallization of various inorganic substances: crystallization from solution, crystallization from melt and vapour phase, mixed...

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...

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...

Short film about the life cycle of a moon jellyfish