If you live in a harsher, colder climate that frequently experiences snow and storms, consider investing in a hardier deterrent. Metal spikes and rods typically last longer than plastic, but they may be a more significant upfront investment. Fake owls are usually made with plastic, and if they have moving parts or lights, they can fail and need maintenance or replacement. Environmental Friendliness In terms of loudness, humans, generally, can hear sound from 0 to 85 decibel (dB). The normal speech marks at about 55 dB, and the annoying sound from heavy city traffic reaches 85 dB. It is dangerous if people are exposed to such loud sounds in a prolonged period. Among all of the sonic avian repellent devices, scientists distinguish programmable non-ultrasonic sonic deterrents as the most promising. They have pre-recorded calls of predatory birds that keep away various birds from treated areas. Such devices can even be set to deter specific species, such as pigeons, sparrows and others. Chemical Methods Manufacturers try to make the design and shape of some rod deterrents decorative, so they also can serve as lawn decor. Gardeners looking for a more aesthetically pleasing deterrent that appears less intimidating than spikes may prefer them.

I am also pleased to include Aspectek Ultrasonic Aminal Repeller in my recommended electronic bird repellent due to its portable design, affordable price yet powerful. The length of the guarantee varies from branch to branch. And you may face some difficulties in finding the right place to fix it when any error happens. Do a search for warranty length and maintenance place once buying an ultrasonic device. These devices could be divided into different groups with other criteria, such as with or without a motion sensor, the infrared region, with or without flashing lights. Why do You Need an Ultrasonic Bird Repeller? (Benefits) While rods can be hung from trees or poles, they’re more difficult to install in trees with low limbs. Consider planting a pole in the ground for this type of deterrent. Fake Owls It produces the sound of high frequency ranging from 15,000 up to 30,000 Hz, which may annoy or trigger the nervous systems of birds. They also realize the sound as a warning from their predators or an alert of territorial violation so the birds would not come close to the guarded area.This stainless steel spike bird deterrent from Aspectek helps deter smaller birds, such as pigeons, sparrows, crows, and swallows, from your garden and property. The bird deterrent, which provides 10 feet of spike coverage on almost any surface, is 5 inches wide. The UV-protected, plastic polycarbonate base is flexible up to 360 degrees and is long lasting. It boasts predrilled holes and a glue trough that makes installation relatively easy.

Flat surface: no matter where you would like to secure this machine, you had a better look for a flat surface that suits the flat base of it. Ultrasonic bird repellents are often in book size, and you would not get into any difficulty in finding a perfect surface for it. The most popular place for installation is the walls, roofs, fences or on a big tree branch. Ultrasonic bird deterrents are devices that emit sound with high frequency and loudness to chase birds or other unwanted animals without any adverse effect on human hearing. Repel birds with chemicals which either cause irritation when consumed or affect their nervous system so that they feel aversion to the food. The active ingredients of such repellents include methyl anthranilate, anthraquinone, methiocarb and the like. Some active ingredients are derived from grapes! This repellent is suitable for large areas. It has three ultrasonic frequency settings and an additional repelling option, namely, a flashing LED light. The sensor detects motion 30 feet away. This all-weather device can be kept outdoors. The manufacturers note that it can be used against birds and also to control pest mammals, such as chipmunks. This popular product is generally highly rated across the internet but, as discussed above, scientists doubt the effectiveness on some birds. What we find amusing about this ultrasonic device is its owl appearance. The external design may not directly scare the birds, but it’s a decorative bonus for those with a garden.

Solar Bird Chase Super Sonic

What kind of deterring power does the repeller have? Look for one that emits high-frequency sound with flashing lights. This won’t just irritate the birds but also scare them away with the blinding beams. If you are about to install the device in the place mixing with your neighborhood, you had better take a good inspection whether there are any newborns or not. Like most good things, this product has its flaws. While it is weatherproof, the device is not very stable in a moist environment. Pros According to the manufacturer, this ultrasonic repeller covers up to 900 square feet and can be used on the balcony, terrace and porch. It is safe for kids and pets, but is it effective? Buyers are split in their opinions product expressing quite a few negative experiences. As discussed above in the scientific review of methods, Pigeons are not easily scared off by this type of ultrasonic device. Remember to consider the species of bird before purchasing. Please do not place this device near a child’s room as young children can sometimes hear the noise!

Ultrasonic bird repellers can be categorized into outdoor and indoor use. Indoor devices are sufficient for the family’s use and small houses. Meanwhile, outdoor gadgets are perfect for front yards, gardens, farms, and fields. Although propane cannons have a time and place, for the average person these units will not be necessary. They create loud explosion thunderclap bangs, which can be extremely unsettling. Which is the main purpose to startle and scare birds from wide-open fields. 3. Lethal Bird Control This gadget work on a detection area of 110 degrees only, so it is suitable for a smaller place with erected fences and walls. To take good advantage of its infrared area, I place it in the closed corner of my fence, facing towards the main entrance, where the wild animals mainly come from. Versatile and easy to use, the Bird Chase Super Sonic can be set to scare off a specific bird or placed on a "general" setting to scare all birds. The bird distress and predator calls are repeated every 10 minutes, and the device can be programmed to turn on or off at night. Several ultrasonic bird deterrents produces loud sound as well. Some can emit sound from 75 dB up to 120 dB within a metre radian. This roaring sound immediately frightens the birds and other animals, but it is a hearing-related danger to humans as well.Several devices works on angels of 100 – 120 – 160 degrees, thus anything not within this angle will not be affected by the ultrasound. It does make sense when some animals are free to reach the device from behind. So which bird control devices should you invest your time and money in?Bird B Gone recommends the following: This model is pretty flexible with separate functions, such as each sensor for strobe light and ultrasound, level of frequency, different sensitiveness (limit or extend the infrared areas). It is such a wise design as I can choose the proper function to blast birds away without interrupting our daily family activities during day time. I am not worried that the emitted frequency will be changed by the moist in the air, especially in the rainy season. After a long time of using, I realize that it works stably under any weather conditions, no matter what it is hot, foggy or pouring. I think this model is ideal for small family use with not serious bird problems. Some people may find the sound is too loud, but the trouble will be gone if you place the device in a different room with your family rooms. 10. Bird B Gone The Bird Repeller