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Acoustic harassment and acoustic deterrents are technologies used to keep animals [1] and in some cases humans away from an area. Applications of the technology are used to keep marine mammals away from aquaculture facilities and to keep birds away from certain areas (for instance in the vicinity of airports and blueberry fields).
Ultrasonic devices are static sound-emitting bird deterrents, which, in theory, will annoy birds to keep them away from enclosed or semi-enclosed areas. Ultrasonic scarers are not harmful to birds, however, there is debate around birds' ability to hear these frequencies at loud enough decibels.
Sounds include predator cries and distress calls of a variety of birds to discourage pest birds from coming into an area. Common locations for these devices include vineyards, reclamation plants, airports, and other open areas. There are also ultrasonic avian deterrents, which are inaudible to human ears. [2] Ultrasonic bird repeller, 2008
Scarecrow in a field Rat guards: steel or aluminum discs attached to the mooring line to prevent rats from boarding a ship Ultrasonic bird repeller. An animal repellent consists of any object or method made with the intention of keeping animals away from personal items as well as food, plants or yourself.
Electronic pest control is the name given to any of several types of electrically powered devices designed to repel or eliminate pests, usually rodents or insects. Since these devices are not regulated under the Federal Insecticide, Fungicide, and Rodenticide Act in the United States, the EPA does not require the same kind of efficacy testing that it does for chemical pesticides.
A statistical survey into customer satisfaction levels with ultrasonic deterrents concluded that 80% of owners expressed satisfaction with the results of ultrasonic deterrent devices. [ 3 ] The Royal Society for the Protection of Birds (RSPB), has endorsed a commercial product called "CatWATCH", [ 4 ] for which it receives 2% of the wholesale ...
Modern garden owls are commonly constructed from plastic blow molds.There are many manufactures of Garden Owls. [4] A swiveling head [5] and wind-powered wings [6] are features that are often used to mimic a living owls behavior, and increase the garden owl's ability to deter pests.
Birds can produce large quantities of unsightly and unhygienic feces, and some birds have very loud calls that can be inconvenient for nearby residents, especially at night. As a result, bird control spikes are used to deter these birds without causing them harm [2] or killing them. In an unexpected adaptation, some birds have collected the ...
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