Word: knappen
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Dates: during 1930-1939
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Miss Phoebe M. Knappen (U. S. Biological Survey) reported that when the Washington Monument was new, hundreds of birds dashed themselves to death against it at night. In time they learned to avoid it and all went well until two years ago when floodlights were trained on its sides. Since then at least 618 dead birds of some 50 species have been picked up at the monument's base...