Written By: Ornithologist Rob Fergus Ph.D.

Summary: Ultrasonic bird control devices can be found in garden centers, home improvement stores and online through bird control product retailers. However, birds cannot hear ultrasonic sounds. This article written by ornithologist Rob Fergus, PhD. seeks to inform consumers about false claims of ultrasonic devices in relation to bird control. 

Sometimes hardware or lawn & garden companies advertise ultrasonic bird control devices that are supposed to drive birds away with high frequency noises undetectable to humans.  Sounds like a good idea, right?  Blast out sounds birds can hear but we can’t—what’s not to like?

Unfortunately, the truth is that birds do not actually hear these ultrasonic sounds any better than humans do, and there is no scientific evidence that these devices actually work. The bottom line is that birds cannot hear ultrasonic frequencies and ultrasonic devices don’t work. (more…)