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How to Protect Bird Nests From Cats (12 Effective Ideas)

Whether it’s feral cats, loose strays, or wandering outdoor pets, cats kill millions of wild birds each year. While the cats aren’t to blame (they’re just acting on their natural instincts, after all), protecting the birds from being hunted is still a good idea. Fortunately, there are things that you can do to protect birds’ habitats and control cat behavior that will keep bird nest attacks to a minimum.

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The 12 Tips to Protect Bird Nests From Cats

Cats are born predators, which means it’s virtually impossible to train them not to hunt. Even the gentlest cats are more than willing to knock down a bird in flight. In most cases, it’s easier to stop the behavior by minimizing the interaction between cats and birds in the first place.

1. Keep Pet Cats Indoors

a tabby maine coon cat at home
Image Credit: Daniel Zopf, Unsplash

If your cat is killing birds and knocking down nests, the simplest way to prevent the behavior is to keep your cat indoors. If your cats must go outdoors, consider a cat enclosure, or only let them out while supervised. This will enable you to intervene if your cat threatens a bird’s nest.

Pros
  • Prevents cat and bird interactions altogether
Cons
  • Requires cats to be mentally stimulated inside
  • Only works if it’s your own cat causing the problem; it’s not a solution for stray or feral cats
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2. Do Not Inadvertently Reward Bird Captures

red tabby cat hunting a small bird
Image Credit: rihaij, Pixabay

If your cat spends time outdoors and has caught a mouse in the past, you’ve likely rewarded the behavior. Many cats are kept for this reason — to keep homes and yards pest free. If your cat happens to catch a bird, it’s hard to tell your cat that you want them to selectively hunt only certain animals.

Positive reinforcement plays a large role in cat behavior. If you reward the catching of birds, even unintentionally, your cat is more likely to hunt birds in the future. While you shouldn’t punish your cat, don’t give them the idea that they’ve done a good thing.

Pros
  • Helps discourage bird hunting
  • Easy to implement
Cons
  • Difficult to stop the behavior altogether, especially for outdoor “mousers.”
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3. Keep Claws Trimmed to Minimize Damage

close up trimming cat nails
Image Credit: GaiBru-Photo, Shutterstock

Cats use their claws to climb bushes, fences, and trees, which is where they catch wild birds. Keeping your cat’s claws trimmed makes it more difficult for them to climb, and they can’t hurt the birds that they swipe at. Claws are a cat’s most dangerous weapon, but they are easy to tame with regular maintenance.

Pros
  • Minimizes damage to birds
  • Makes it harder for cats to access birds
Cons
  • Cats aren’t always cooperative with claw trimming
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4. Place Collars With Bells on Cats to Warn Birds of Imminent Danger

cat wearing red collar
Image Credit: bmf-foto.de, Shutterstock

If a cat can’t sneak up on a bird to catch it, they aren’t likely to be successful. Birds have good instincts that keep them from being caught by predators. Adding a collar with a bell to your cat alerts wild birds to their presence. The birds will hide or take off when they know that your cat is coming. This is probably the easiest way to let birds know that there’s imminent danger.

Pros
  • Cost-effective and easy
  • Alerts birds of danger
  • Doesn’t involve any training
Cons
  • Outdoor cats can easily lose collars
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5. Don’t Feed Stray or Feral Cats

stray cats lying on the ground
Image Credit: dimitrisvetsikas1969, Pixabay

If the problem isn’t your own cat, but rather a stray or feral cat wandering into your yard and killing birds, make sure you’re not encouraging them to visit. Cats naturally frequent areas where they find food, and the more they’re fed, the more likely they’ll stick around.

If feral cats are a serious problem, contact your local animal shelter. Most have humane trapping methods to remove them.

Pros
  • Contacting animal shelters helps control the feral cat population
Cons
  • Sometimes it’s difficult to keep strays away
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6. Spay and Neuter Cats

neutering cat on a vet's operating table
Image Credit: Simon Kadula, Shutterstock

Spaying and neutering your pets to keep the stray cat population down is important, but it can also reduce their hunting and roaming behavior. If you have a cat that’s outdoors, they are more likely to wander from home if they aren’t fixed. They are also more aggressive hunters.

Pros
  • Prevents roaming and excessive hunting
  • Reduces unwanted kittens
Cons
  • Spay/neuter surgery can be expensive
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7. Use Humane Traps to Capture and Relocate Strays

a group of stray cats going inside a trap
Image Credit: Bykofoto, Shutterstock

There are many options for humane, live traps to catch and relocate stray or feral cats. Catching these cats and taking them to your local animal shelter or cat rescue will, at a minimum, get them relocated. Many rescues have a catch, spay/neuter, and release program. They may release feral cats back into the wild, but they will be fixed to prevent contributing to overpopulation. They will also be relocated to an area away from your yard.

Pros
  • Helps the feral cat population
  • Uses humane methods
  • Removes stray cats from your yard
Cons
  • Trapping cats requires patience and time
  • Doesn’t solve the bird-killing problem in the short term
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8. Support Local Animal Shelters

kittens in animal shelter
Image Credit: 279photo Studio, Shutterstock

While it may seem counterintuitive that supporting animal shelters will reduce the incidences of cats hunting birds in your yard, it can go a long way. Many shelters and rescue operations run on a shoestring budget and rely on donations to stay operational. Reducing the population of stray and feral cats relies on the ability of rescue organizations to trap and rehome them. By supporting your local shelter or rescue, you are helping control stray cat populations.

Pros
  • Helps reduce stray cats hunting in your yard
  • Helps reduce stray and feral cat populations
Cons
  • May not prevent all cats from hunting birds in your yard
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9. Catproof Your Yard

cat trying to climb over the fence
Image Credit: Kalo Kanev, Shutterstock

You can do certain things with your landscaping to deter cats from using it as a hunting ground. Cat-proof fencing that has holes too small for cats to climb through and that is at least 1.5 meters tall will help keep cats out. It’s also a good idea to keep trees and shrubs away from your fence line, as these can be used as a way for cats to get in.

Pros
  • Aesthetically pleasing
  • Naturally cat-proofs your yard
Cons
  • Re-landscaping can be expensive and labor intensive
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10. Keep Bird Feeders Away From Trees and Shrubs

bird feeder_utroja0_Pixabay
Image Credit: utroja0, Pixabay

Trees and shrubs are prime hunting grounds for cats because they give them access to prey with the added element of surprise. Placing bird feeders in areas that are hard to reach and away from the cover of foliage gives birds a better opportunity to evade capture.

Pros
  • Easy to do
Cons
  • Not suitable for all yard setups
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11. Install Fencing

curve topped rustic wood fence
Image Credit: knelson20, Shutterstock

Cat-proof fencing that is too high for cats to climb and free of holes to keep cats from sneaking in will naturally deter stray cats from hunting in your yard. Fences should be 1.5 meters tall and have no large gaps in the material.

Pros
  • Provides a cat-proof barrier
Cons
  • Can be expensive
  • Labor intensive
  • May not be suitable for your neighbors or neighborhood design
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12. Choose Safe Birdhouse Designs

birdhouse during winter
Image Credit: Hellado, Pixabay

Placing birdhouses in hard-to-reach places can keep them safe from cats. Make sure they are 2–3 meters above the ground, and consider installing them on metal or plastic poles that aren’t easily climbed by roaming felines.

It’s also recommended to design birdhouses with steeply sloped roofs to deter cats from sitting on them.

Pros
  • Keeps birds safe
Cons
  • Requires work and creativity

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What Not to Do to Keep Bird Nests Safe

Keeping bird nests safe in your yard can be a frustrating endeavor. Cats are hard to keep out, so you may find that despite taking multiple steps to prevent them from hunting birds, they are still doing so. It’s important to always use humane methods to keep cats out of your yard and to remember that they’re not behaving badly; they are simply acting on their natural instincts.

Also, cats aren’t the only predators that hunt birds. Raccoons, snakes, and even larger birds commonly prey on backyard bird feeders and leave evidence that’s reminiscent of a cat attack. You may be dealing with more than one predator.

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Conclusion

You can take certain steps to keep cats from preying on bird nests and bird feeders in your yard. If it’s your own cat doing the hunting, the best thing to do is minimize their access to birds in the first place by containing them. For stray and feral cats, you can adjust the setup of your yard and provide safe bird housing to discourage hunting. If stray cats are a severe problem, consider contacting your local animal shelter or rescue for assistance in trapping and relocating these cats.

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Featured Image Credit: Kuttelvaserova Stuchelova, Shutterstock

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