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Georg Rüppell

Georg Rüppell

85 (1940-04-20)
Berlin, Germany


Most Known for...

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Rana esculenta (Ranidae) - Beuteerwerb 1984

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 experimental conditions) hanging earthworms, of flies sitting on the surface of the water and of egglaying dragonflies (Sympetrum spec.) in tandem position are visible.


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Seevögel von Galapagos - Bewegungsweisen als Ernährungsstrategie 1984

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 furthest out at sea and deepest in the water are the most successfull on the Galapagos Islands, measured by their abundance. The least abundant bird is the lava-gull, a shore bird and surface-feeder.


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Variabilität des Fortpflanzungsverhaltens bei Japanischen Prachtlibellen 1992

Calopteryx cornelia only occurs in one color morph and shows the typical dragonfly behavior. Species of the genus Mnais form different color morphs. Males with intensely colored wings are dominant over males with hyaline wings.


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