When keeping feathered friends safe, the 15 best squirrel-proof bird feeders make a difference. The Squirrel Buster Plus offers a durable polycarbonate build with rust-resistant features and a 5.1-pound seed capacity. Perky-Pet's Squirrel-Be-Gone design, with weight-activated cage, holds 2 pounds of seeds. Heritage Farms Woodlink's model boasts a 15-pound capacity, squirrel-resistant design, and adjustable counterbalanced perch. These feeders use features like the twist lock mechanism in Hanizi's design to keep squirrels off the bird seed. Each option caters to different needs, from small to large bird feed capacities. Consider these top feeders for your feathered companions' safety and happiness.
Key Takeaways
- Choose feeders with weight-activated mechanisms for squirrel deterrence.
- Opt for durable metal or polycarbonate constructions for long-lasting use.
- Select feeders with capacities ranging from 3 to 15 pounds to reduce refills.
- Ensure weather-resistant and rust-proof features for outdoor durability.
- Look for easy-fill and easy-clean designs for convenient maintenance.
Squirrel Buster Plus Squirrel-proof Bird Feeder with Cardinal Ring
The Squirrel Buster Plus Squirrel-proof Bird Feeder with Cardinal Ring is the ultimate choice for attracting and feeding cardinals while effectively keeping squirrels away. Made of durable polycarbonate material, this bird feeder is designed to hold 5.1 pounds of bird seed, making it suitable for various bird species. Its squirrel-proof feature guarantees that only birds can access the seed, thanks to the adjustable tension and metal components that deter squirrels.
Customers praise its effectiveness in keeping unwanted critters at bay while providing a safe feeding spot for birds. With a lifetime care warranty and easy-to-clean design, this feeder ensures long-term bird-feeding enjoyment. Its rust-resistant construction and free Cardinal Ring make it a popular choice among bird enthusiasts seeking a reliable and efficient feeding solution.
Best For: Bird enthusiasts looking for a durable and effective bird feeder that keeps squirrels away while attracting cardinals.
Pros:
- Squirrel-proof design with adjustable tension and metal components.
- Large seed capacity of 5.1 pounds suitable for various bird species.
- Lifetime care warranty and easy-to-clean design for long-term use.
Cons:
- May be on the pricier side compared to other bird feeders.
Squirrel Proof Bird Feeder, Metal Mesh Bird Feeder for Outdoors Hanging (3LB Large Capacity)
With its squirrel-proof design and durable metal mesh construction, this bird feeder from Niser is ideal for bird enthusiasts looking to enjoy hassle-free bird feeding in their outdoor spaces. The feeder has a large 3-pound capacity, ensuring you won't need constant refills. Its weatherproof and rust-resistant features make it suitable for year-round use.
The hanging mount allows for easy placement in your yard or garden, attracting various bird species while keeping pesky squirrels at bay. While users praise its effectiveness in deterring squirrels and its durability, some mention limitations for larger birds like cardinals. Setting up the feeder to deter squirrels and optimizing bird access and seed retention are recommended for best use.
Overall, this Niser bird feeder offers a practical solution for keeping your feathered friends happy and well-fed.
Best For: Bird enthusiasts looking for a squirrel-proof and durable bird feeder with a large capacity for hassle-free bird feeding.
Pros:
- Squirrel-proof design
- Weatherproof and rust-resistant
- Large 3-pound capacity
Cons:
- Limitations for larger birds like cardinals
Perky-Pet Squirrel-Be-Gone Bird Feeder
Ideal for attracting seed-eating birds while deterring squirrels, the Perky-Pet Squirrel-Be-Gone Bird Feeder features a weight-activated cage design. This bird feeder is designed to keep squirrels out with its clever mechanism, allowing only birds to access the seeds.
With six feeding ports and U-shaped perches, multiple birds can comfortably enjoy a meal together. The feeder boasts a durable metal construction with a rust-resistant powder coating, ensuring its longevity. Holding up to 2 pounds of various seeds, it also comes with a clear reservoir that makes it easy to monitor seed levels.
While users have praised its effectiveness in keeping squirrels away, some have noted durability issues in harsh weather. Overall, the Perky-Pet Squirrel-Be-Gone Bird Feeder is a reliable choice for bird enthusiasts looking to protect their feathered friends from unwanted guests.
Best For: Bird enthusiasts seeking a durable and effective solution to keep squirrels away from bird feeders.
Pros:
- Weight-activated cage design effectively deters squirrels.
- Accommodates multiple birds with six feeding ports and perches.
- Clear reservoir allows for easy monitoring of seed levels.
Cons:
- Some users have reported durability issues in harsh weather conditions.
Metal Squirrel Proof Bird Feeder for Outdoors
When considering a bird feeder that effectively deters squirrels and is suitable for outdoor use, the metal squirrel-proof bird feeder stands out with its weight-activated mechanism and durable construction. This feeder has a 2 lb seed capacity, making it ideal for hanging outdoors. Users have reported that it's weatherproof and sturdy, ensuring long-lasting use.
The feeder effectively keeps squirrels at bay, allowing birds to enjoy the feed undisturbed. While some users suggest adding a lightweight seed catcher for easier cleaning, overall feedback on this feeder has been positive. It's easy to refill and use, with birds showing a preference for this product over others.
Despite minor concerns about color variations and paint durability, this metal squirrel-proof bird feeder is a reliable choice for keeping your feathered friends happy and safe outdoors.
Best For: Gardeners looking for a durable and effective squirrel-proof bird feeder for outdoor use.
Pros:
- Weight-activated mechanism effectively keeps squirrels out.
- Weatherproof and sturdy construction ensures long-lasting use.
- Birds prefer this feeder over others, enjoying undisturbed feeding.
Cons:
- Some users experienced issues with squirrels accessing the feeder.
Squirrel Buster Mini Squirrel-proof Bird Feeder (Garden Green)
For those seeking a reliable bird feeder that effectively keeps squirrels at bay while accommodating smaller bird species, the Squirrel Buster Mini in Garden Green is an excellent choice. This metal feeder, designed by Squirrel Buster, features a squirrel-proof mechanism that deters unwanted critters.
With dimensions of 4.13L x 4.13W x 12.38H and a weight of 454 grams, it can hold up to 1.3 pounds of seeds, making it ideal for smaller bird species. The feeder includes four metal perches and an excellent ventilation system to keep the seeds dry.
While customers praise its durability and effectiveness in deterring squirrels, some mention the small capacity requiring frequent refills. Overall, the Squirrel Buster Mini is highly recommended for its quality construction and ability to keep your feathered friends happy and safe.
Best For: Those looking for a squirrel-proof bird feeder that accommodates smaller bird species.
Pros:
- Discourages squirrels effectively.
- Solid construction with chew-resistant materials.
- Ventilation system keeps seed dry.
Cons:
- Not easy to fill without spilling seed.
Squirrel Buster Standard Squirrel-proof Bird Feeder
With its weight-adjustable mechanism and patented Squirrel Buster technology, the Squirrel Buster Standard Bird Feeder is a top choice for bird enthusiasts seeking a hassle-free and effective solution to keep squirrels at bay while attracting a variety of birds.
This feeder holds up to 1.3 pounds of seed, making it perfect for tailored bird feeding. The compact design is truly squirrel-proof, ensuring only birds can access the seeds. Recommended for black oil sunflower or safflower seeds, it accommodates both perching and clinging birds.
The feeder features a Seed Saver Technology that prevents squirrels from accessing the seed, along with a Negative Grip Tube to deter them effectively. With its durable construction, easy cleaning system, and lifetime care with free part replacements, this feeder is a reliable choice for bird lovers.
Best For: Bird enthusiasts looking for a reliable and effective bird feeder that deters squirrels while attracting a variety of birds.
Pros:
- Weight-adjustable mechanism for squirrel-proofing
- Holds up to 1.3 pounds of seed
- Compact design suitable for tailored bird feeding
Cons:
- May require periodic cleaning maintenance
Perky-Pet Squirrel-Be-Gone Max Large Wild Bird Feeder
Ideal for those seeking a feeder that effectively deters squirrels while providing a safe haven for various bird species, the Perky-Pet Squirrel-Be-Gone Max Large Wild Bird Feeder offers a sturdy design with features like a Weight-activated Seed Shield and Patented Flexports.
The Weight-activated Seed Shield guarantees that only birds can access the seeds, preventing squirrels from pilfering the food. The Sure-Lock cap adds an extra layer of security, keeping the feeder closed and the seeds safe.
With ladder-style perch pads, birds of different sizes can comfortably feed, while the 4 lb seed capacity means fewer refills are needed. While some parts may wear out over time, the overall design effectively keeps squirrels at bay, allowing your feathered friends to dine in peace.
Best For: Bird enthusiasts looking for a durable and effective bird feeder that keeps squirrels away.
Pros:
- Effective at deterring squirrels
- Accommodates various bird sizes
- Easy to refill
Cons:
- Rubber flaps wearing out quickly
Hanizi Hanging Bird Feeder for Outdoor Wild Birds (Brown)
The Hanizi Hanging Bird Feeder by Hanizi, known for its squirrel-proof design and sturdy construction, is an excellent choice for bird enthusiasts looking to attract smaller bird species like cardinals and finches. This brown feeder is made of durable plastic, weighing only 0.64 pounds with dimensions of 7.9L x 8.5W x 15.7H inches.
It features a twist lock mechanism to keep pesky squirrels at bay and has a generous capacity of 47 ounces to guarantee fewer refills. The inclined roof design helps prevent seeds from getting wet, and leaking holes in the tray maintain seed dryness.
While some users have noted limitations with larger birds like blue jays, the feeder has received positive feedback for its design, ease of use, and squirrel-proof features, making it a popular choice among bird lovers.
Best For: Bird enthusiasts seeking a squirrel-proof and easy-to-use bird feeder for attracting smaller bird species like cardinals and finches.
Pros:
- Durable plastic construction
- Twist lock mechanism for squirrel-proof design
- Easy to fill, empty, and clean
Cons:
- May have limitations with larger birds like blue jays
Squirrel Solution200 Squirrel-proof Bird Feeder
For those seeking a durable and effective bird feeder that keeps squirrels at bay while attracting cardinals, the Squirrel Solution200 Squirrel-proof Bird Feeder by Brome is an excellent choice. This feeder features a weight-sensitive design that closes metal shrouds over the feeding ports when a larger animal, like a squirrel, puts weight on the perch.
With a 2-quart seed capacity, this feeder is equipped with a secure locking lid, an unchewable metal cage, and plastic construction. The feeder's design includes proper drainage at the bottom, a well-designed slanted roof lid, and a convenient funnel for easy refilling.
Users have praised its squirrel-proof features, sturdy construction, and effective deterrent mechanisms, making it a reliable option for bird enthusiasts looking to keep their feathered friends safe and well-fed.
Best For: Individuals looking for a durable and effective bird feeder that effectively keeps squirrels away while attracting cardinals.
Pros:
- Squirrel-proof design with weight-sensitive mechanism
- Sturdy construction that withstands squirrel attempts
- Convenient features like secure locking lid and easy-refill funnel
Cons:
- Perches could be improved for better bird access
Tholoxia Metal Squirrel Proof Bird Feeder for Outdoors (Green)
In selecting a bird feeder that effectively deters squirrels and withstands various weather conditions, the Tholoxia Metal Squirrel Proof Bird Feeder for Outdoors (Green) stands out for its durable construction and squirrel-proof design. This feeder, made of rust-resistant metal with a waterproof coating, features a top lid that can endure wind and rain, along with 12 water leakage holes to prevent water buildup.
It offers 360° feeding access through 8 ports, 4 perch poles, and 4 perches, all designed with a diamond-shaped mesh surface and round seed trays. Customers appreciate its sturdiness and capacity for various bird seeds, although some have suggested enhancements to the squirrel-proof mechanism.
With simple assembly, a large seed capacity, and a secure closure system, this feeder provides a convenient and effective way to attract birds while keeping pesky squirrels at bay.
Best For: Those looking for a durable and squirrel-proof bird feeder that can withstand various weather conditions.
Pros:
- Made of rust-resistant metal with a waterproof coating
- Features 360° feeding access with 8 ports and 4 perch poles
- Secure closure system with a cord lock for added protection
Cons:
- Some customers have experienced squirrel interference despite the squirrel-proof design
LCSEVEN Squirrel Proof Bird Feeder for Outside
Attract wild birds hassle-free with the LCSEVEN Squirrel-Proof Bird Feeder for Outside's upgraded design features. This feeder boasts 4 feeding ports and a metal top cover with a clip for easy filling.
The inner seed tube is chew-proof, wrapped in an iron spring, guaranteeing durability. Made of thick clear plastic, the inner food tube allows for easy seed observation and is compatible with various bird seeds.
Its weather-resistant design, complete with a rust-proof coating, guarantees longevity. The feeder's squirrel-proof feature, activated by a metal spring, prevents unwanted guests from stealing bird food.
With its green color and unique design, this feeder is perfect for attracting cardinals, chickadees, finches, and blue jays. Enjoy a worry-free purchase with a 24-month product service guarantee, along with easy cleaning and filling features for added convenience.
Best For: Bird enthusiasts looking for a durable and squirrel-proof bird feeder to attract a variety of wild birds.
Pros:
- Upgraded design features for better bird feeding experience
- Weather-resistant and squirrel-proof design for longevity
- Attracts a variety of wild birds with unique design
Cons:
- May require periodic cleaning to maintain optimal performance
Droll Yankees Yankee Flipper Squirrel-Proof Bird Feeder
Perfectly designed for those seeking a durable and efficient solution to thwart squirrels' attempts at birdseed plundering, the Droll Yankees Yankee Flipper Squirrel-Proof Bird Feeder stands as a reliable choice. This feeder boasts a weight-activated spinning perch that guarantees it's 100% squirrel-proof, allowing only birds to access the seed.
Constructed with heavy-duty metal components and powder coating, this feeder is built to last. With a capacity to hold up to 5 lbs of seed, it minimizes waste and attracts multiple bird species simultaneously. The easy-to-clean design features a lift-off lid and wide-mouth seed reservoir for hassle-free maintenance.
Customers have praised its performance, durability, and ability to keep squirrels at bay, making it a popular choice among bird enthusiasts. Additionally, the lifetime warranty on the feeder body and one-year warranty on the motor and battery charger provide added peace of mind.
Best For: Individuals who want a durable and efficient solution to keep squirrels away from birdseed while attracting multiple bird species.
Pros:
- 100% squirrel-proof with weight-activated spinning perch.
- Made with heavy-duty metal components and powder coating for durability.
- Holds up to 5 lbs of seed to reduce waste.
Cons:
- Requires signing in to submit feedback.
Squirrel Buster Classic Squirrel-proof Bird Feeder
When choosing a bird feeder that effectively deters squirrels while attracting a variety of bird species, the Squirrel Buster Classic Squirrel-proof Bird Feeder stands out as a reliable option with its innovative shroud mechanism. This feeder is truly squirrel-proof, saving seed from potential raids. It has a 2.4-pound seed capacity and is recommended for Black oil sunflower or safflower seeds, making it suitable for perching and clinging birds.
The feeder boasts durable construction with a wire grid, is easy to fill and adjust, and attracts various bird species. Customer reviews highlight the feeder's durability, success in deterring squirrels, and positive experiences with the product's design and performance. For those looking for an effective squirrel-proofing solution that also appeals to a range of bird species, the Squirrel Buster Classic is a worthwhile investment.
Best For: Bird enthusiasts looking for a reliable and effective squirrel-proof bird feeder that attracts various bird species.
Pros:
- Truly squirrel-proof design with shroud mechanism
- Durable construction with wire grid
- Easy to fill and adjust
Cons:
- May require additional modifications for optimal performance
Heritage Farms Woodlink Absolute Squirrel Resistant Bird Feeder (Model 23803, Beige)
With its innovative design that prevents squirrels from accessing the seeds, the Heritage Farms Woodlink Absolute Squirrel Resistant Bird Feeder (Model 23803, Beige) is ideal for bird enthusiasts seeking a durable and effective solution. This feeder features a durable powder-coated steel body, a locking top, and a no-waste seed saver baffle.
The counterbalanced perch is adjustable to three positions and can hold various seeds like mixed seed, sunflower seeds, peanut halves, or safflower. The feeder has a large 15 lb. mixed seed capacity and includes a metal hanger and 5 ft. pole with mounting hardware for easy hanging or pole mounting.
With an overhanging roof and hopper to keep the seed dry, this all-steel body feeder is easy to clean and fill, making it a convenient choice for bird lovers.
Best For: Bird enthusiasts looking for a durable and effective solution to keep squirrels away from bird seeds.
Pros:
- Durable powder-coated steel body for long-lasting use
- Squirrel-resistant design with a locking top and no-waste seed saver baffle
- Large 15 lb. mixed seed capacity suitable for various bird seed types
Cons:
- May require periodic cleaning to maintain optimal performance
Gray Bunny Bird Feeder for Small Birds, Squirrel Proof, Metal, Weather Resistant
For those seeking a bird feeder designed to attract small bird species while deterring squirrels, the Gray Bunny Bird Feeder offers a sturdy and effective solution. This feeder boasts an upgraded squirrel-resistant design with a reinforced locking mechanism, ensuring that only feathered friends can access the food.
Made from weather-resistant materials including a thick clear plastic food tube and rust-resistant metal, this feeder can withstand various outdoor conditions. With four feeding ports, it accommodates multiple bird species like cardinals, chickadees, finches, and blue jays.
The lift-lid design allows for easy refills and cleaning, while the 1-year warranty provides peace of mind. Customers appreciate its effectiveness in deterring squirrels and its functionality for small birds, making it a reliable choice for bird enthusiasts.
Best For: Bird enthusiasts seeking a durable and effective bird feeder that attracts small bird species while deterring squirrels.
Pros:
- Upgraded squirrel-resistant design with reinforced locking mechanism
- Weather resistant with thick clear plastic food tube and rust-resistant metal
- Easy refill and clean with lift-lid design
Cons:
- Some customers faced challenges with lid placement and squirrel access
Factors to Consider When Choosing a Squirrel Proof Bird Feeder
When selecting a squirrel-resistant bird feeder, it's important to take into account key feeder features, such as adjustable settings and mechanisms that deter squirrels.
The material and durability of the feeder play a vital role in its longevity and effectiveness.
Additionally, factors like bird attraction, squirrel deterrence methods, as well as the feeder's capacity and size, should be carefully evaluated to make sure it meets your specific needs.
Key Feeder Features
Considering key feeder features is essential when selecting a squirrel-proof bird feeder to guarantee effective squirrel deterrence and ideal bird feeding. Look for feeders with weight-activated mechanisms to prevent squirrels from accessing the food. Make sure the feeder has a sufficient capacity to accommodate your bird feeding needs without constant refills.
Opt for durable materials like metal or alloy steel for longevity. Choose feeders with easy-fill and easy-clean features for convenient maintenance. Check for squirrel-proof design elements such as shrouds or locking mechanisms to keep pesky squirrels at bay.
Material and Durability
Selecting a squirrel-proof bird feeder that's durable and crafted from high-quality materials is crucial for guaranteeing long-term use and effective squirrel deterrence. Bird feeders made of durable materials like metal or polycarbonate offer longevity, while sturdy construction can withstand squirrels' attempts to access the seed. Opting for weather-resistant feeders ensures they can withstand outdoor elements over time.
Look for designs with chew-proof components to prevent damage and ensure durability. Additionally, choosing feeders with rust-resistant coatings or materials helps maintain their appearance and functionality in various weather conditions. Prioritizing these material and durability factors when selecting a squirrel-proof bird feeder can help secure a lasting and effective solution for keeping your feathered friends happy and safe.
Bird Attraction Factors
To attract a diverse range of bird species to your garden, it's important to understand the factors that influence their choice of feeder. Different bird species are attracted to various types of bird feed like sunflower seeds, safflower seeds, peanuts, and millet.
The design of the feeder, including the number of feeding ports and perch styles, can also play a role in attracting specific birds. Some feeders are tailored to smaller birds such as cardinals, chickadees, finches, and blue jays.
The feeder's capacity and the type of seed it can hold may impact the variety and number of bird species it attracts. Factors like ease of access for birds, protection from larger birds, and overall design can greatly influence bird attraction.
Squirrel Deterrence Methods
When selecting a squirrel-proof bird feeder, it's important to evaluate the effectiveness of squirrel deterrence methods. Weight-activated mechanisms are a popular choice, closing off access when a squirrel's weight is detected while allowing birds to feed freely.
Specially designed collapsing perches support birds but not squirrels, offering a clever solution. Metal cages or shrouds can also be effective, preventing squirrels from reaching the seed ports altogether.
For a more interactive approach, consider feeders with spring-loaded or spinning mechanisms that startle squirrels, deterring them from accessing the food. Additionally, adjustable tension settings provide customization, allowing you to set the right level of resistance to keep those pesky squirrels at bay and make sure your feathered friends enjoy a peaceful meal.
Capacity and Size
Considering the capacity and size of a bird feeder is crucial when aiming to attract specific bird species while minimizing refill frequency and guaranteeing a secure fit in your chosen location. Bird feeders come in various capacities, ranging from 1.3 to 15 pounds of seed, catering to different bird species and reducing the need for frequent refills.
Larger feeders can attract more birds and require less maintenance, while smaller feeders are suitable for specific bird types or limited spaces. It's imperative to match the feeder's size with the available space in your yard or garden and the birds you want to attract.
Opt for feeders with adjustable settings to control seed flow based on the visiting bird types. Ensure the feeder's dimensions fit securely in your desired location and provide enough feeding ports for various bird sizes.
Maintenance Tips
Regularly maintaining your squirrel-proof bird feeder is vital to guarantee peak performance and bird safety. To keep your feathered friends happy and safe, it's important to clean the feeder regularly to prevent mold buildup.
Make sure to disassemble the feeder for thorough cleaning, using mild soap and water to wash all components. Avoid dishwashers as they may damage the feeder. Check for mold accumulation frequently and clean the feeder as needed to maintain bird health.
Regular maintenance is key to keeping the seed dry and ensuring that birds are continuously attracted to the feeder. By following these maintenance tips, you can provide a clean and safe feeding environment for your backyard birds.
User Experience Insights
To truly understand the value of squirrel-proof bird feeders, we need to listen to the experiences of those who've used them. User feedback emphasizes the effectiveness of squirrel-proof mechanisms in keeping unwanted critters away from bird feeders. Customers find these feeders easy to clean and maintain, promoting ideal bird health.
The durability and weather resistance of squirrel-proof bird feeders have received positive reviews, showing reliability in various conditions. Additionally, users have noted that these feeders attract a diverse range of bird species, adding to the enjoyment of bird watching.
Recommendations on proper installation and placement have been shared to guarantee the best performance and safety for the birds.
Frequently Asked Questions
Are These Bird Feeders Easy to Assemble?
Yes, these bird feeders are easy to assemble. The process is straightforward and doesn't require any special tools.
We found that the instructions provided were clear and concise, making the setup quick and hassle-free. In just a few simple steps, you can have your feeder ready to attract beautiful birds to your garden.
Can These Feeders Be Used in All Weather Conditions?
Yes, these feeders can withstand all weather conditions. Their durable materials guarantee longevity and functionality even in harsh climates.
From scorching summers to freezing winters, these feeders are designed to protect the bird feed and withstand rain, snow, or intense sunlight. So, you can rest assured that your feathered friends will have a reliable food source regardless of the weather conditions.
Do These Feeders Require Frequent Cleaning?
Yes, these feeders do require frequent cleaning to guarantee the health and safety of our feathered friends.
Regular cleaning helps prevent the buildup of mold, bacteria, and other contaminants that can harm birds.
By maintaining a clean feeder, we create a welcoming environment for our avian visitors and promote their well-being.
It's crucial to establish a cleaning routine to keep the feeders in top condition and provide a hygienic feeding space for the birds.
How Do These Feeders Prevent Squirrels From Accessing the Food?
To prevent squirrels from getting to the food, these feeders typically feature mechanisms like weight-activated perches that close off access when a heavy critter, like a squirrel, tries to land on them.
Some designs also have cages or barriers that block larger animals from reaching the seed. These features help keep the feed exclusively for our feathered friends, ensuring they get to enjoy their meals undisturbed.
Are Replacement Parts Available for These Feeders?
Yes, replacement parts are available for these feeders. They can be purchased separately to guarantee the longevity of your feeder.
It's convenient to have this option, as wear and tear can occur over time. By offering replacement parts, the company guarantees that you can easily maintain your feeder without needing to purchase a whole new unit.
This availability adds value and sustainability to the product, benefiting the user in the long run.
Conclusion
To sum up, selecting a squirrel-proof bird feeder is essential for keeping your feathered friends safe and happy. Consider factors like design, capacity, and material to choose the best option for your needs.
With the right bird feeder, you can enjoy watching birds without worrying about pesky squirrels stealing their food. Invest in a quality squirrel-proof bird feeder to create a welcoming environment for your feathered visitors.