Product Features 2023 Upgraded Ultrasonic Pest Repeller: Stimulate the nervous system of pests with 60 segments/second of changing ultrasonic waves, making them extremely uncomfortable and unable to ...
Figure 2: Ultrasonic ‘whisper’ calls by Richardson's ground squirrels and the response to them. We recorded whisper calls from 15 free-living squirrels (for methods, see supplementary information).
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