10 Best Solar Powered Bird Deterrent in 2026

Solar powered bird deterrents offer a practical way to discourage birds from gardens, rooftops, balconies, patios, farms, and other outdoor spaces without wiring or chemical products. A good unit combines effective ultrasonic output, responsive motion activation, dependable solar charging, and a housing capable of withstanding outdoor weather.

The ten products in this guide were compared using the information supplied for each model, including coverage claims, detection behavior, frequency controls, power options, weather ratings, installation methods, and intended uses. The list includes single and multi-device sets, traditional ultrasonic units, visual deterrents, and one solar-powered mechanical owl.

Each review highlights the most useful features and honest placement considerations for its respective product. Ratings reflect the supplied customer feedback, while coverage and performance remain dependent on bird behavior, sunlight, mounting position, and the surrounding environment. Prices and product configurations can change, so confirm current details before purchasing.

Top 3 Picks for Best Solar Powered Bird Deterrent

Top 10 Best Solar Powered Bird Deterrent in 2026 Compared

The table below compares all ten products by their primary deterrent method, claimed coverage, activation system, and outdoor power or weather features. The differences show why no single model suits every location: motion sensors, visual effects, audible sounds, and solar owl mechanisms work best under different conditions.

1. 2026 Solar Ultrasonic Bird Repeller – Broad-Coverage Solar Protection

4.5Editor scoreCheck price on Amazon

2026 Solar Ultrasonic Bird Repeller

5,000 sq. ft. coverage

Motion-activated operation

Adjustable frequency knob

IP65 waterproof housing

This single-device ultrasonic deterrent combines solar charging, motion activation, and adjustable frequency output in a weather-resistant enclosure. Its supplied rating is 4.5, and its standout specifications include coverage of up to 5,000 square feet and an IP65-rated housing intended for year-round outdoor use.

Pros

• Large stated coverage area
• Works without outdoor wiring
• Adjustable ultrasonic frequency
• IP65 weather protection
• Supports backup charging

Cons

• USB adapter not included
• Some output may be audible

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The motion sensor is designed to trigger the deterrent only when an animal enters the monitored area, helping reduce unnecessary operation. A frequency control gives users some ability to tailor the sound, while the high-efficiency top panel charges the unit in direct sunlight. Adapter charging is also supported for shaded locations or prolonged wet weather, although the adapter is not included.

The main trade-off is that ultrasonic effectiveness varies by species and setting. Sound can also be partially audible, and a large claimed coverage area does not guarantee equal results around every side of a building. Solid walls, foliage, stored objects, and the direction of the emitters can all limit where the signal reaches. Those constraints are manageable with careful placement.

This model is a strong candidate for a yard, orchard, patio, balcony, driveway, carport, or farm area where one unit needs to cover a broad space. It is especially attractive to buyers who want solar autonomy without giving up a wired fallback option. Aim it at the observed landing or nesting zone rather than expecting it to control an entire property indiscriminately.

Flexible Placement Across Outdoor Areas

The device can be mounted on a fence, hook, wall, or beneath eaves, making it adaptable to roofs, balconies, patios, and gardens. Give the solar panel direct exposure and keep the ultrasonic path clear of walls and dense vegetation.

Solar Convenience With Backup Support

Daily sunlight recharges the internal power system, reducing the need for routine wiring or battery changes. When shade or extended rain limits charging, the supported adapter input can help maintain operation, though an adapter must be purchased separately.

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2. Solar Repellent with Lights – Flexible Sound and Visual Deterrence

4.6Editor scoreCheck price on Amazon

Solar Repellent with Lights

3,500 sq. ft. coverage

Five programmed sound files

Automatic day-night sensor

IPX4 waterproof rating

This two-device set combines ultrasonic output, reflective elements, and flashing lights for a broader deterrence approach than a basic sound-only unit. The supplied rating is 4.6, with a claimed coverage area of up to 3,500 square feet and support for five programmed predator or distress-bird sounds.

Pros

• Five selectable sound programs
• Reflective visual deterrence
• Night-only lighting option
• Dual-device package
• USB cable included

Cons

• IPX4 offers limited water resistance
• Some settings produce audible sounds

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A selector switch lets users choose among the pre-programmed files, while a separate knob adjusts ultrasonic frequency. Each activation reportedly runs for about 30 seconds. The light sensor detects daylight, and the LED can be switched off so it does not illuminate during either day or night. Reflective surfaces provide an additional daytime visual deterrent.

The main drawback is its IPX4 weather rating, which is less protective than the IP65 housings offered by several competitors. It is better suited to a covered or moderately exposed position than an area directly facing sustained heavy rain. Audible programs may also be unsuitable near close neighbors, sleeping rooms, or frequently occupied outdoor seating.

This set is useful for buyers who want more than one placement point and want to combine sound with a visual cue. It can cover a house, balcony, garden, farm, or orchard, but consistent results depend on selecting an appropriate program and orienting the device toward active areas. The included USB cable adds helpful charging flexibility in low-light locations.

Multiple Predator Programs

Five preloaded sounds allow users to vary the stimulus rather than relying on one fixed recording. Rotating among suitable programs may help keep the environment from becoming predictable, although sound alone should not be the only bird-management measure.

Day-Night Light Control

The automatic light sensor supports nighttime flashing, and the off setting prevents illumination in any conditions. This makes it easy to tailor the visual deterrent to a location where bright lights could disturb people or neighbors.

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3. Upgraded Motion-Activated Repellent – Two-Unit Outdoor Coverage

3.0Editor scoreCheck price on Amazon

Upgraded Motion-Activated Repellent

5,000 sq. ft. coverage

Motion-activated operation

Adjustable frequency knob

IP65 waterproof housing

This two-pack offers the same broad feature set as the first ultrasonic model in the list, including motion activation, adjustable frequencies, dual power support, and an IP65 housing. Its supplied rating is 3.0, which should be weighed carefully even though the stated specifications are competitive.

Pros

• Includes two deterrent units
• Large stated coverage area
• Motion conserves operating time
• Weather-resistant enclosure
• Wide range of target animals

Cons

• Lower supplied customer rating
• Adapter charging requires separate purchase

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Each device is intended for outdoor areas such as rooftops, patios, porches, and balconies. A claimed area of up to 5,000 square feet makes the pair appealing for properties with multiple hotspots, while the motion sensor limits operation to periods when animals approach. The frequency dial allows users to adjust the ultrasonic output.

Its lower customer rating may reflect long-term satisfaction, durability, or real-world performance issues that cannot be determined from the specifications alone. The absence of an included charging adapter also means buyers relying on backup charging must acquire one separately. As with all ultrasonic units, performance will vary according to bird habits and the clarity of the sound path.

The package makes sense for buyers who want to protect two separate sides of a home or garden, especially when consistent motion-triggered operation is valued. Place one unit near the most persistent landing zone and the other near a secondary hotspot rather than expecting both units to blanket the entire claimed area. Confirm the current rating and configuration before ordering.

Two Distinct Hotspot Coverage

Using two units at separate activity points can be more effective than placing both in one location. Position each around frequently used ledges, eaves, fruit trees, or garden edges where birds actually approach.

Weather and Power Readiness

The IP65 enclosure is intended for exposed outdoor conditions, while solar charging supports cordless operation. Keep each panel exposed to daylight and use the supported adapter input if a unit spends too much time in shade.

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4. Variable-Frequency Bird Repellent 2 Pack – Adaptive Premium Deterrence

5.0Editor scoreCheck price on Amazon

Variable-Frequency Bird Repellent 2 Pack

Automatic 8–35kHz output

Multiple pattern emitters

Solar plus USB backup

IP54 weather resistance

This premium-oriented two-pack uses an automatic variable-frequency system that cycles from 8–35kHz through changing sound patterns. Its supplied rating is 5.0, and the device stands apart through multiple emitters, solar charging, USB backup, and placement advice focused on unobstructed acoustic paths.

Pros

• Automatically varies sound output
• Two units support separate zones
• USB backup improves power resilience
• Built-in hanging hook
• Clear placement guidance

Cons

• Output may be audible
• IP54 rating needs weather awareness

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Automatic variation can reduce the predictability associated with a single fixed tone. The included frequencies span audible and ultrasonic ranges, meaning some sound may be heard. Multiple emitters broaden the usable direction, but walls, dense foliage, and stored objects can still obstruct or absorb the signal, so the units should face open activity areas.

The IP54 housing is weather resistant but does not offer the same stated ingress protection as IP65 alternatives. This is a reasonable compromise for many sheltered installations, though buyers in exposed locations should consider the supplied instructions and local conditions carefully. The clear instruction to check operation after installation is also a responsible feature because real results depend heavily on placement.

This set is best for homeowners who have observed specific ledges, eaves, patios, gardens, or docks where birds congregate and want the units aimed directly at those zones. It is also a strong choice for those who value automatic pattern changes. It should complement, rather than replace, cleanup, food control, and physical exclusion.

Automatically Changing Sound Patterns

The 8–35kHz system cycles through multiple outputs, making the deterrent less predictable than a basic fixed-frequency model. Users should still monitor birds and adjust placement if activity continues.

Power Resilience and Mounting

The integrated solar panel supports routine charging, while USB backup is valuable during cloudy periods or in shaded locations. A built-in hook simplifies attachment to fences, railings, poles, and shed supports.

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5. Motion-Sensor 2 Pack – Balanced Coverage and Control

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Motion-Sensor 2 Pack

5,000 sq. ft. coverage

120-degree PIR detection

Adjustable frequency dial

IP65 waterproof housing

This two-pack combines a claimed 5,000-square-foot area, 120-degree PIR sensing, adjustable ultrasonic frequency, and IP65 protection. Its supplied rating is 5.0, while the described activation cycle emits sound for approximately 14–18 seconds before returning to standby.

Pros

• Large claimed coverage area
• Precise motion-triggered operation
• Adjustable ultrasonic frequency
• Two units included
• IP65 dust and water protection

Cons

• USB charging needs suitable conditions
• Frequency changes require monitoring

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Motion activation is the central benefit. The unit enters standby after each burst and reacts when animals approach, avoiding the need for continuous operation. The frequency dial lets users tune output for different species, and the product description suggests adjusting it every one or two weeks to reduce habituation. Two units make it practical to monitor separate parts of a property.

No deterrent can guarantee that birds will never return. Species, environmental noise, persistent food sources, and physical barriers all influence results. Frequent adjustment may be necessary, but it does make the unit less hands-off than a fixed-output model. The USB option is most useful in a garage, basement, shed, or another location receiving limited sunlight.

This is an excellent all-around choice for patios, farms, orchards, yards, garages, roofs, and gardens where the buyer wants a substantial coverage claim and a responsive sensor. The IP65 enclosure adds useful outdoor durability, while the silent standby mode keeps the device unobtrusive between activations. It remains necessary to remove accessible food and use physical exclusion alongside sound.

Responsive PIR Activation

The sensor operates within a 120-degree detection area and activates only when an animal approaches. This approach focuses the deterrent on active periods and keeps the unit quiet while waiting in standby.

Durable, Low-Maintenance Housing

The rugged ABS enclosure has an IP65 dust- and waterproof rating for rain, snow, sun, and wind exposure. Solar power reduces battery servicing, and screw mounting helps provide a stable attachment in exposed areas.

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6. Frequency-Swapping 2 Pack – Long-Lasting Variable Sound

5.0Editor scoreCheck price on Amazon

Frequency-Swapping 2 Pack

2,425 sq. ft. coverage

40-foot PIR detection

13.5–45.5kHz cycling

IP65 waterproof housing

This solar two-pack differentiates itself with frequency-swapping technology that cycles from 13.5kHz to 45.5kHz. Its supplied rating is 5.0, and the enhanced PIR sensor can detect movement across a 120-degree angle at distances of up to 40 feet.

Pros

• Frequencies cycle automatically
• Long-distance motion detection
• UV-resistant ABS housing
• Two-device package
• Simple hanging installation

Cons

• Lower coverage claim than some rivals
• No USB backup mentioned

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Changing frequencies are intended to discourage birds from adapting to one tone. The anti-UV ABS housing carries an IP65 waterproof rating for use on vegetable gardens, chicken coops, roofs, patios, and similar locations. One set is claimed to cover up to 2,425 square feet and can be mounted on a fence or wall.

The stated coverage is smaller than the 5,000-square-foot claims of several other products, but actual effectiveness depends on the target area. Its long detection range is useful for open approaches, although solid structures may limit ultrasonic reach. No USB charging backup is mentioned, so reliable sunlight and a protected solar panel are especially important.

This model is well suited to a yard or garden with a clearly defined approach zone, especially when birds tend to gather along a fence line. Buyers should monitor whether the selected range produces the intended response and reposition the unit if necessary. Its cycle-based output gives it a clear advantage over fixed-tone units for buyers worried about habituation.

Adaptive Frequency Cycling

Automatic movement through a 13.5–45.5kHz range varies the ultrasonic stimulus instead of repeating one tone. This design is especially attractive when persistent birds may become accustomed to a constant sound.

Extended Motion Detection

The PIR sensor can register movement as far as 40 feet away within a 120-degree field. It works best when the monitored approach is open rather than hidden behind dense barriers.

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7. Solar Ultrasonic Bird Repellent – Simple Frequency-Conversion Design

4.5Editor scoreCheck price on Amazon

Solar Ultrasonic Bird Repellent

8–35kHz frequency conversion

Integrated solar panel

USB backup option

IP54 waterproof housing

This straightforward solar deterrent uses intelligent frequency conversion from 8kHz to 35kHz to discourage pigeons, woodpeckers, and other birds. Its supplied rating is 4.5, and it is designed for houses, balconies, yards, farms, orchards, and gardens.

Pros

• Automatic frequency conversion
• Easy hook installation
• Suitable for multiple outdoor areas
• No routine wiring needed
• Humane sound-based operation

Cons

• Backup charger not included
• IP54 rating is moderate

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The integrated panel charges the unit automatically in sunlight, while a USB backup input offers another way to maintain power when light is limited. An included hook supports quick installation, and the ABS housing has an IP54 waterproof rating for everyday outdoor use.

The IP54 rating means the unit should be mounted with attention to prolonged direct weather exposure. The USB backup also does not come with a charger, so buyers may need to supply one if their location receives limited sunlight. As with other sound deterrents, results vary by bird species and the presence of nearby walls or vegetation.

This device is a good fit for buyers who want a straightforward, hook-mounted solar unit without a large collection of flashing lights or visible mechanical parts. Place it on the side of a building or support facing the area birds use to approach. It works best as one layer in a broader plan that also removes food and discourages nesting.

Automatic Frequency Conversion

The 8–35kHz range varies the ultrasonic output rather than holding one constant tone. Buyers can use this variation alongside careful placement to make a landing or roosting area less attractive.

Simple Solar Installation

An integrated solar panel and included hook simplify installation on balconies, walls, fences, and other outdoor supports. Position the panel in direct light and maintain a clear path toward bird activity.

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8. Multisensory Bird Deterrent 2 Pack – Maximum Deterrent Variety

5.0Editor scoreCheck price on Amazon

Multisensory Bird Deterrent 2 Pack

Five ultrasonic modes

Four sound modes

Solar and USB-C charging

IP65 weatherproof housing

This two-pack offers the broadest deterrent selection in the guide, with five ultrasonic modes, four sound modes, reflective windmill elements, and a seven-color LED strobe. Its supplied rating is 5.0, and its combination of sonic, visual, and motion-responsive features distinguishes it from simpler units.

Pros

• Nine selectable operating modes
• Reflectors and LED strobe
• Adjustable PIR sensitivity
• USB-C rapid charging
• Silent operating mode

Cons

• Many settings may overwhelm users
• Visible effects may not suit every setting

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The reflective windmill uses sunlight during the day, while the LED strobe creates a stated 240-degree visual zone reaching up to 30 feet at night. Ultrasonic frequencies span 9–45.5kHz, and sound choices include gunshot, wolf howl, tiger roar, eagle cry, and a combined option. Adjustable PIR sensitivity helps reduce unnecessary reactions to nearby movement.

The abundance of settings can be a double-edged feature. Users need to choose a mode suited to the target species and location, and aggressive audible settings may be disruptive in close residential settings. The product information recommends using ultrasonic-only modes for quieter operation and placing the unit about 20 feet from sleeping areas for acoustic comfort.

This set is a strong budget-oriented choice for buyers who want multiple deterrent methods, two placement locations, and flexible power recovery. The USB-C port can reportedly restore the battery in around six hours, making it practical during cloudy periods. It is especially versatile for gardens, yards, docks, boats, roofs, pools, and farms.

Sound and Visual Defense Together

Reflective components add daytime visual deterrence, while the LED strobe supports nighttime activity. Combining these methods with selectable sounds gives the set more flexibility than a conventional ultrasonic-only device.

Flexible Power in Any Season

A 6V solar panel supports daily charging, while USB-C provides a useful backup during long rainy spells or winter months. The two-unit package also lets buyers distribute coverage across separate hotspots.

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9. Solar Ultrasonic Outdoor Deterrent – Adaptable Garden Protection

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Solar Ultrasonic Outdoor Deterrent

Motion-activated operation

Adjustable frequency controls

Adjustable sensor sensitivity

Integrated solar panel

This compact solar deterrent is designed for gardens, orchards, yards, patios, ponds, and other open areas. Its supplied rating is 4.5, and the core features include motion-triggered ultrasonic output, adjustable frequency and sensitivity, and an integrated solar panel.

Pros

• Suitable for gardens and ponds
• Adjustable sound and sensitivity
• No nearby outlet required
• Supports several bird types
• Easy outdoor mounting

Cons

• No specific IP rating stated
• Coverage claim is not supplied

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The intended targets include starlings, sparrows, crows, woodpeckers, pigeons, geese, ducks, and birds attracted to ripening fruit. Motion activation avoids continuous sound when no animal is nearby. Adjustable controls let buyers respond to different settings, while solar charging permits flexible placement near fences, walls, rooflines, or garden edges.

The supplied information does not state a numerical IP weather rating or a precise coverage area, so outdoor buyers should not assume the same level of weather protection as models explicitly rated IP54 or IP65. Consistent sunlight and a clear acoustic path remain essential. Actual performance also varies with bird species and environmental conditions.

This is a useful option for a buyer focused on fall gardens, ponds, or a mixed bird-control setup rather than a specific high-coverage specification. Aim the speaker toward known landing, nesting, or feeding points and adjust settings as bird activity changes. Pairing it with cleanup and physical barriers will improve overall results.

Protection for Seasonal Fruit

Motion-triggered output is useful near ripening grapes, berries, tomatoes, and other fruit that attracts hungry birds. Direct the sensor and speaker toward the crop rather than the entire surrounding yard.

Controls That Follow Activity

Adjustable frequency and sensor sensitivity help tailor the deterrent to different locations. Periodically reassess the most active approach points and reposition the device when bird movement changes.

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10. Solar Garden Owl – Decorative Mechanical Deterrence

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Solar Garden Owl

Motion activated

Rotating owl head

Colored illuminated eyes

Waterproof solar design

The Solar Garden Owl takes a decorative, mechanical approach rather than using ultrasonic waves. Its supplied rating is 3.8, and its hand-painted 16.9-by-6.8-inch design combines a rotating head, gradient-colored illuminated eyes, realistic hoots, motion activation, and solar charging.

Pros

• Functions as garden decoration
• No ultrasonic output required
• Rotating head adds movement
• Silent mode available
• Solar powered operation

Cons

• No broad coverage specification
• Less effective against persistent birds
• Lower supplied customer rating

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The built-in sensor activates the owl when movement is detected. Its head rotates, the eyes can glow, and realistic hooting sounds add another sensory cue. A silent mode switches off the sound when buyers want the movement and appearance without audible hoots. Covered waterproof switches and a solar panel on the head support outdoor use.

This is not a replacement for an ultrasonic deterrent with broad coverage claims. Birds that quickly become accustomed to a mechanical owl may ignore it, and no numerical coverage area is supplied. The design also occupies more visual space and may not blend with every landscape. Its lower rating makes the decorative appeal an important part of the decision.

The owl is best suited to a garden, lawn, patio, or home entrance where a realistic decorative figure is acceptable and occasional bird pressure is the main concern. It can work well as a supplementary visual deterrent among foliage or near a bird feeder. Buyers facing heavy, persistent bird activity should consider a purpose-built ultrasonic unit instead.

Deterrence With Decorative Appeal

Unlike electronic ultrasonic devices, the owl is designed to function as an outdoor statue as well as a deterrent. Its hand-painted finish and illuminated eyes make it easier to incorporate into garden decor.

Motion and Silent Modes

The sensor activates movement when an animal enters range. Silent mode suppresses the hoots while retaining the rotating head and lighting effects, making the unit more suitable for quiet residential settings.

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Buying Guide – How to Choose the Best Solar Powered Bird Deterrent

The most useful device is one whose deterrence method, range, power system, and weather protection match the target area. Comparing these factors helps avoid paying for features that do not address the bird behavior or placement conditions at hand.

Ultrasonic Range and Frequency

Frequency range is a key indicator of flexibility. The products here use ranges extending from 8kHz to 35kHz in several models, while two reach as high as 45.5kHz. Automatic cycling or swapping can make the output less predictable than a fixed tone. Buyers should also consider whether some frequencies fall within human hearing, because audible sounds can disturb household members or neighbors even when the device is marketed as ultrasonic.

Motion Detection and Sensitivity

A PIR sensor can conserve energy and reduce unnecessary sound by activating the deterrent only when an animal approaches. Detection angle is another important detail: some products specify a 120-degree field, while one reaches up to 40 feet. Sensor sensitivity may also be adjustable, helping filter out pedestrians, household pets, moving branches, or other activity. Effective placement depends on the sensor's field of view and on a clear path toward the bird hotspot.

Coverage Area

Claimed coverage ranges from 2,425 square feet to 5,000 square feet among the ultrasonic products. This figure can help compare scale, but it should not be interpreted as a guaranteed barrier. Walls, eaves, balconies, foliage, wind, and the direction of the sound all affect how far ultrasonic waves travel. Two smaller units aimed at separate hotspots may produce better results than one unit directed at an entire property.

Solar and Backup Charging

Solar charging is the defining convenience of this category, but its effectiveness depends on direct sunlight and a panel that is not shaded by eaves, foliage, or structures. Several products add USB or USB-C backup charging for cloudy periods. Buyers should verify whether a cable or adapter is included, since some models require a separate purchase. A protected charging port and a clear panel position are especially important for long-term outdoor reliability.

Weather Resistance

An IP65 rating provides a stronger stated level of dust and water protection than IP54, while the owl uses a waterproof-style design with protected switches. Ratings do not eliminate the need for sensible installation, but they help distinguish devices intended for exposed roofs, fences, gardens, and patios. For a unit mounted high on a roof or an open fence, a higher rating is generally preferable. Buyers should still follow the supplied mounting and weather-protection instructions.

Deterrent Type and Modes

Pure ultrasonic devices are compact and suitable for locations where visible decorations are undesirable. Multisensory models add reflective parts, flashing LEDs, or predator recordings. A mechanical owl offers decoration and movement but cannot cover a broad area in the same way. Multiple modes can help match the response to birds, pets, raccoons, or other wildlife, although users should avoid leaving aggressive audible modes running unnecessarily.

Installation and Placement

Look for hooks, screw mounts, or supports that fit the intended location. The most effective placement is close to the bird's landing, nesting, or feeding point, with the speaker or visual element facing that zone. Solid walls and dense foliage can weaken ultrasonic coverage, while a device aimed across a broad open lawn may spread its output too thinly. Two units can provide more reliable coverage when birds approach from different directions.

Maintenance and Humane Operation

Look for devices that recharge automatically, enter standby between activations, and need little routine attention. Clean the solar panel periodically so dirt and leaves do not reduce charging. Some manufacturers recommend adjusting the frequency periodically to discourage habituation. Sound-based deterrence avoids traps, chemicals, glue, and sharp spikes, but it should be combined with sanitation, removal of food sources, netting, spikes, or other appropriate exclusion methods where necessary.

How to Use and Care for Your Solar Powered Bird Deterrent

Begin by identifying where birds land, perch, feed, or attempt to nest. Mount the unit nearby and direct its speaker, reflective panel, or owl face toward that activity rather than toward a neighbor. Give the solar panel unobstructed sunlight, set the required switches, and confirm that the motion sensor or mechanical mechanism responds before relying on the device for continuous protection.

After installation, observe the area over several days. Adjust the frequency, sound program, sensitivity, or directional position as needed. Some models work best when their output is changed periodically, while others offer a mute or daylight-only lighting setting. Do not point high-powered audible modes directly at sleeping areas, and consider acoustic comfort when choosing an installation location.

For maintenance, wipe the solar panel clean and check that mounting hardware remains secure. Keep the charging port covered when the instructions call for it, remove leaves or debris from the housing, and inspect the device after severe weather. Supplement the deterrent by removing fallen food and accessible nesting material, cleaning droppings promptly, and using appropriate barriers where complete exclusion is necessary.

Frequently Asked Questions

Final Thoughts on Choosing the Best Solar Powered Bird Deterrent

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