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Distressed Dialect. To the rescue came "The Birdman of The Hague," Zoologist Johann D. F. Hardenberg of the Ministry of Agriculture's fauna department. Called in by the Air Force and Amsterdam's airport, Hardenberg's first move was to import an American invention, a loudspeaker playing the tape-recorded distress calls of American herring gulls. It was an imaginative effort, but it did not work. Dutch herring gulls apparently speak a dialect all their own and are not alarmed by the screams of their American cousins. When Dr. Hardenberg recorded distressed Dutch gulls and a Jeep...

Author: /time Magazine | Title: Ornithology: Fighting the Birds | 1/31/1964 | See Source »

...force bases will use this system, playing the distress calls of sparrows, peewits, whatever bird is causing trouble. Nearly all birds, says Hardenberg, are frightened away by their own distress calls. Only ducks don't seem to care, and magpies are actually attracted to the loudspeakers...

Author: /time Magazine | Title: Ornithology: Fighting the Birds | 1/31/1964 | See Source »

Frightening Racket. Commercial airports do not use the full Hardenberg system. When birds get thick along a runway, a Jeep broadcasting the appropriate distress calls drives out to clear the way so the jetliners can take off safely. There are no permanent loudspeakers to make a racket that scares away nervous passengers as well as birds...

Author: /time Magazine | Title: Ornithology: Fighting the Birds | 1/31/1964 | See Source »

Since Dr. Hardenberg started his work, bird accidents at Dutch airports have sharply decreased; but in-flight accidents have increased sharply and for no apparent reason. Most of them occur in spring or fall when birds are migrating, but some birds congregate dangerously at other times. Coping with migratory birds, says Hardenberg, calls for close cooperation between aviation experts and ornithologists. Pilots should get bird information along with weather forecasts, he says, and the movements of birds should be followed closely throughout Europe. Studies are now under way to see whether radar can watch for dangerous birds as it does...

Author: /time Magazine | Title: Ornithology: Fighting the Birds | 1/31/1964 | See Source »

Lost for almost a century and a half, Cécile (probable date: 1811) is not the novel scholars were led to believe it might be. It is an autobiographical narrative in which only the names of the characters have been changed. Charlotta von Hardenberg is Cécile, Madame de Stael is Madame de Malbee, and Constant is the narrator...

Author: /time Magazine | Title: Books: The Variable Constant | 6/29/1953 | See Source »

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