鈥婻eprinted with the permission of Animal Wellness Magazine.聽 Consider these pros and cons before attaching a bell to your cat鈥檚 collar.
Despite what movies would have you think, rats barely ever聽make any sounds, at least those that humans are able to hear. Rat鈥檚 vocalizations start at around 2 kHz and extend as far up as 100 kHz....
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