Bird damage to blueberries in the United States

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U.S. Dept. of the Interior, Fish and Wildlife Service, Bureau of Sport Fisheries and Wildlife, 1974 - Nature - 15 pages
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In 1972, a questionnaire on bird damage to highbush blueberries was sent to 78 individuals knowledgeable about blueberry crop in 14 States. According to 42 replies with opinions, birds were conservatively estimated to damage 5 percent of the crop. This represents a nationwide loss between $1.6 and $2.1 million. Starlings (Sturnus vulgaris), robins (Turds migratorius) and common grackles (Quiscalus quiscala) were considered the most damaging species. Gas-operated exploders, shooting, protective netting, trapping, and electronic devices were listed most frequently as effective methods of reducing bird damage.

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