Book · 1944
Electric beacons used to frighten wild ducks from grainfields
Ralph H. Imler, U.S. Fish and Wildlife Service
Abstract
Wild ducks have greatly inerdaged in bombers during the past 10 years © and are destroying farm crops in certain localities.Corn and grain sorghums in the Platte River Valley in Colorado and Nebraska, and wheat and barley in the Dakotas are seriously damaged each fall.Injury to rice in California, Texas, and elsewhere has also occurred.Several frightening devices, including guns, scarecrows, flares, lights revolved by the wind, and different types of pyrotechnics have been used in attempts to keep wild ducks out of grainfields.All are helpful to some ex-