Experiments on the crystallization of various inorganic substances: crystallization from solution, crystallization from melt and vapour phase, mixed...
The film shows birds and mammals of Spitzbergen: The snow bunting, Phalaropus fulicarius, Stercorarius parasiticus, the red throated loon, the arctic...
Gliding flight, soaring flight and flapping flight are presented as basic types of bird flight. The development of lift and propulsion are explained...
Variabilität des Fortpflanzungsverhaltens bei Japanischen PrachtlibellenHD
IMDb: 1
1992
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...
Raumkonkurrenz bei der Prachtlibelle Calopteryx haemorrhoidalisHD
IMDb: 1
1991
The film shows the spatial distribution and the behaviour of the Mediterranean demoiselle Calopteryx haemorrhoidalis on typical reproduction waters....
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...