The idea is that the sound and movement of wind chimes might ... which might be more effective at scaring birds away. Some bird species are more skittish than others. For example, smaller ...

And since hawks are also usually silent when hunting, the alarm calls of local birds may be the most effective sound creating an illusion of a hawk's presence, scientists say. “Mimicry likely ...

Sound cannons to scare away seagulls at east-end streetcar yard The TTC says up to 15,000 gulls flock there annually, posing a health and safety risk for both the birds and staff. CTV News App ...

the avians also trilled for longer in the presence of traffic sounds while the opposite was true on Floreana. This phenomenon suggested that either birds that could better cope with traffic noise ...

Since ultrasonic repellents emit significantly higher sounds, they're unlikely to scare the birds away. The researchers at ...