Posts Tagged ‘bird chase sonic’

Ultrasonic Bird Control Devices: Peer reviewed studies show they do not work

Friday, April 27th, 2012

From The UC Davis Website:

“Peer-reviewed research is the gold standard of mainstream science. A peer-reviewed article has been critically read and reviewed by trained scientists. Peers are given the opportunity to anonymously comment on the adequacy of the experimental design and the validity of the conclusions that are drawn from the scientific work under review. The publication of research in a peer-reviewed journal means that the article has passed the scrutiny of fellow scientists. Studies that have not been through peer-review are not necessarily flawed, but peers have not been given the opportunity to judge the scientific merit of the results that are derived from such studies. “

Recently we published an article about the ineffectiveness of Ultrasonic Bird Deterrents, written by our well qualified in house Ornithologist and based on peer reviewed studies from the USDA, Universities and other qualified sources. This article has been criticized based on one scientists un-reviewed findings. We decided to list our resources to show the studies that support our assertion that ultrasonic bird deterrents are ineffective at deterring birds: (more…)


1986 Department of Defense Video on Airfield Bird Control

Thursday, November 17th, 2011



Great video made by the Department of Defense in 1986 entitled Frightening Techniques for Airfield Bird Control“. The video is narrated by Leonard Nimoy and compares different methods commonly used or suggested to control birds near airfields, as their proximity poses a risk for bird-plane strikes. The varying degrees of success of  the different bird deterrents available at the time are discussed including information on Ultrasonic and Sonic Bird control units. It’s likely that this was distributed to military bases to educate the pest control and maintenance departments on how to rid their fields of birds.



McDonald’s battles birds with noise

Friday, February 18th, 2011

From the Las Cruces Sun News:


LAS CRUCES – If you’ve ever stopped at the McDonald’s on El Paseo Road, or just strolled by on the sidewalk, you may have noticed a raucous screeching.It sounds – at first listen – as if a flock of noisy birds must be somewhere nearby, perhaps roosting on the rooftop. But the exact source of the shrill squawking seems a mystery.

“You hear the noise and you look up and say: ‘There’s no birds,’” said Michelle Mendez, 24, of Anthony, N.M., who visited the McDonald’s on El Paseo Road on Tuesday.The screeching has been heard, at times, on the McDonald’s on North Main Street, as well.

If your curiosity has ever been piqued, wonder no more.The mysterious, intermittent noise isn’t real birds. Rather, it’s an audio recording of birds in distress, meant for scaring away pesky fowl such as pigeons, said Keel Price, wildlife biologist and district supervisor for the U.S. Department of Agriculture’s Wildlife Services branch. The agency carries out various types of pest control.

“Sometimes non-lethal deterrents work,” he said. “It’s probably effective.”

The idea is that the sound of a bird in crisis will seem like a threat, Price said. But he pointed out that the ploy only works for so long before birds become accustomed to it. If the recording plays continuously, he said, the birds more quickly realize that they’re not in danger and become acclimated.

“Even thesmallest-brained of birds can only expend so much energy fleeing false threats,” he said.

To make the devices more effective, it helps to lengthen the amount of the pause between rounds of screeching, Price said. And even better, he said, is to rotate the audio with other non-lethal deterrents, such as “scary-eyed” balloons, fake great horned owls and rubber snakes.

“If people will change them out, they work much longer,” he said. “They need to change these up and rotate them.”

Mike Lavin, the owner of most of the Las Cruces McDonald’s restaurants, couldn’t be reached for comment.

Frank Fiore, district manager for the state Environment Department, which does restaurant inspections, said there’s no regulation against birds on eatery rooftops. But their presence could cause problems if a facility ever had a leak in the roof that carried bird droppings into a kitchen. A roof leak at a Georgia peanut butter processing facility was behind in a massive recall in recent years, he said.

“If there are openings in the ceiling, it’s in the category of violations we’d label as low-risk, but it could actually turn into high-risk, if we had rain water with pigeon feces in it running into a place where food is being prepared.”

Fiore said he didn’t recall any restaurants – whether McDonald’s or not – where that’s been a problem.

Price said air conditioning units on rooftops tend to attract birds, in the summer especially, because they provide shade and water at the same time. Wrapping poultry wire around the base, to keep birds from getting underneath, is a good way to prevent that, he said.

Mendez and her mother said they’d noticed the screeching noises previously when visiting the laundromat across the street from the El Paseo McDonald’s but didn’t realize what it was. After learning it was a bird deterrent, they said they thought it was a good idea, especially at a restaurant setting.

“It’s pretty smart,” Mendez said. “You help keep pigeons away and you keep the disease away.”Audio recordings often are used to scare blackbirds, seagulls and sometimes Canada geese, Price said.

Diana M. Alba can be reached at (575) 541-5443.

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