Are Predator Decoys or Calls Effective Against House Sparrows?
Predator decoys and calls show partial effectiveness against house sparrows when properly implemented. These non-lethal deterrents can reduce house sparrow activity by 30-60% in feeding and nesting areas when used correctly. However, their success depends significantly on proper selection, placement, and regular rotation to prevent habituation. This comprehensive analysis examines scientific evidence behind predator decoys…
