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2. Bird scarer - Wikipedia

   en.wikipedia.org/wiki/Bird_scarer

   Bird scarers is a blanket term used to describe devices designed for deterring birds by startling, confusing or otherwise repeling them, typically employed in commercial settings by farmers to dissuade birds from consuming and defecating on recently planted arable crops. Numerous bird scarers are also readily available to the public direct to ...

3. Acoustic harassment device - Wikipedia

   en.wikipedia.org/wiki/Acoustic_harassment_device

   Acoustic harassment device. 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 ...

4. Bird control - Wikipedia

   en.wikipedia.org/wiki/Bird_control

   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

5. Long-range acoustic device - Wikipedia

   en.wikipedia.org/wiki/Long-range_acoustic_device

   A long-range acoustic device (LRAD), acoustic hailing device (AHD) or sound cannon is a specialized loudspeaker that produces sound at high power for communicating at a distance. It has been used as a method of crowd control , which has caused permanent hearing damage, having an extremely high decibel capacity (up to 160 dB measured at one ...

6. Electronic pest control - Wikipedia

   en.wikipedia.org/wiki/Electronic_pest_control

   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.

7. 50 Lesser-Known Facts That The “Today I Learned ... - AOL

   www.aol.com/80-interesting-cool-facts-daily...

   It's a process called brain plasticity. But in order for that growth to occur, we have to exercise and train our brain. As if it were a muscle. The Today I Learned community has 38 million members ...