
Capsaicin is the chemical in hot pepper that makes it, well, hot! Like many mammals, squirrels have a lower tolerance to this chemical in hot pepper, so it can be used as a deterrent to repel these rodents from your bird feeders or gardens! It is a chemical that, when consumed by mammals, causes that hot, uncomfortable sensation.
Will squirrels eat bird food with capsaicin?
While many species of birds will eat the bird food containing capsaicin, squirrels will avoid it. Ground cayenne or red pepper flakes mixed with bird seed can help. The peppers may wash away in strong winds, so apply them consistently. You can also use a non-aerosol kitchen oil product.
Does cayenne pepper and capsaicin hurt squirrels?
We find it unlikely (well we would hope) that you would want to hurt the squirrels. The good news is that there appears to be no long-lasting pain or discomfort that cayenne pepper and capsaicin causes squirrels. If you are still not sure about using this kind of deterrent, however, you always have the option of squirrel-proof bird feeders.
Does capsaicin repel birds?
However, birds cannot taste capsaicin and will not be repelled by it. Capsaicin is toxic to bees and other beneficial insects. Researchers believe that capsaicin and similar compounds protect the seeds inside the peppers from fungus.
Do squirrels like spicy food?
For such small animals, they’re surprisingly destructive! Unsurprisingly, squirrels hate spicy and/or hot scents. The capsaicin found in hot peppers is an irritant, which is why people scrunch up their noses, sweat, and get watery eyes when they consume spicy food. The smell alone is enough to keep squirrels out of areas where you don’t want them.

Can squirrels taste capsaicin?
Squirrels do not like the smell or taste of capsaicin, which is the thing that gives hot peppers their heat. Mixing the dried powder of hot peppers in with your seed should do the trick. Some bird seed companies even sell special “hot” mixes to discourage squirrels.
Does capsaicin hurt squirrels?
Capsaicin-covered seed, which irritates squirrels' mouths but doesn't affect birds, mixed with your usual seed.
Does capsaicin keep squirrels away?
Hot peppers contain a compound called capsaicin, which comes in all levels of “heat.” Capsaicin is added to wild bird foods as a powder or oil, mainly to deter squirrels, raccoons, and other mammals. It is clear that many birds will eat bird food with hot pepper products on them and that squirrels will avoid it.
Does chili pepper hurt squirrels?
Cayenne pepper will burn squirrels' mouths just as it would to humans. There's absolutely nothing to worry about because cayenne pepper doesn't put squirrels into any harm, other than just driving them away from eating more bird seeds.
What is the most effective squirrel repellent?
Natural Squirrel RepellentsSpread predator urine around your garden. ... Try sprinkling cayenne pepper, ground chili peppers, pepper flakes, and/or garlic pepper on and around your plants when they are ready to bloom. ... Birds can't taste capsaicin, so add some cayenne pepper to those bird feeders to deter squirrels.More items...
Will Tabasco keep squirrels away?
A toxic chemical repellent or poison isn't really an option for spraying on fruits; thankfully, squirrels do not care for hot, spicy flavorings and will avoid them, including possibly Tabasco Sauce.
What spice keeps squirrels away?
Squirrel-repelling oils are garlic, red pepper, lemongrass, thyme, cinnamon and clove. Adding some hot sauce to the mix will give it some extra kick. The dish soap will help the mixture stick to what gets sprayed. Like cayenne pepper, hot sauces can be used to deter squirrels.
Will chili powder keep squirrels away?
Yes, chilli powder can deter squirrels as they dislike strong odours. Spicy smells such as chilli or black pepper can work as effective squirrel deterrents.
Will cayenne pepper deter squirrels?
Yes, your answer for the best squirrel repellant is cayenne pepper. (Or some other capsaicin-based seasoning/oil).
Do squirrels hate the smell of cayenne pepper?
Squirrels hate the smell of pepper, including white pepper, black pepper, red pepper, cayenne pepper, chili powder, paprika, and jalapeño pepper. In fact, hot pepper is often used in commercial squirrel repellents, to keep squirrels out of yards and homes.
Do coffee grounds keep squirrels away?
As it turns out, squirrels hate coffee grounds! It's the smell they dislike, and for this reason, using coffee grounds (especially those with a strong odor) can be useful for deterring squirrels from your yard.
Do red pepper flakes hurt squirrels?
Both red pepper flakes and cayenne pepper contain capsaicin, the chemical that causes a burning sensation in squirrels and people.
Will chili powder keep squirrels away?
Yes, chilli powder can deter squirrels as they dislike strong odours. Spicy smells such as chilli or black pepper can work as effective squirrel deterrents.
What can I spray to repel squirrels?
Apple cider vinegar spray The pungent smell of pure apple cider vinegar repels the squirrels. ACV is readily available and can be sprayed directly on the plants and flower pots without harming them. Spray it as often as needed to keep the little creatures at bay.
Do squirrels hate pepper?
Squirrels do not like pepper and will avoid areas that smell or taste like cayenne pepper, black pepper or red peppers. Inserting these peppers into bird feeders does not harm birds, who enjoy the flavor. As an alternative, you can sprinkle Tabasco sauce instead.
Will hot pepper keep squirrels away from bird feeders?
Spicy Seed: Mammals, including squirrels, are sensitive to the perceived heat of pepper, but birds are not. Adding cayenne pepper or similar spices to birdseed can deter squirrels, but it can wash off and must be used consistently for the best effects.
Why do squirrels avoid garlic?
The reason squirrels avoid garlic is due to the pungent scent it provides. When applied properly, garlic can overpower the scent of other plants in the garden and make squirrels think that only garlic is prevalent.
What Kind of Damage Can Squirrels Cause?
There are quite a few different types of squirrels, but they all seem to love fir and pine trees.
What are some ways to repel squirrels?
You can repel squirrels using scents they hate such as, capsaicin, white vinegar, peppermint oil, coffee grounds, cinnamon, predator urine, garlic, dryer sheets, Irish Spring Soap, and rosemary.
How do squirrels get into my house?
Focus on siding: Siding is one of the main ways squirrels sneak in, as it’s easy for them to chew a hole. Once inside they’ll start nesting – so make sure you’re familiar with the state of the outside of your home.
What is the best way to keep squirrels out of your house?
The smell alone is enough to keep squirrels out of areas where you don’t want them. Both white or black pepper and chili powder are great options for sources of capsaicin
Why are squirrels so overabundant?
An overabundance of squirrels is a sign of an unbalanced ecosystem. Although having predators such as foxes might seem intimidating at first, they do wonders for keeping the squirrel population under control.
How often do squirrels have offspring?
Squirrels mate and have offspring twice a year, meaning that you could be dealing with a rambunctious family of 2-4 squirrel kits more often than you’d like to.
How might I be exposed to capsaicin?
Other products can be used in nurseries or in agriculture. You may be exposed if you are applying capsaicin and you breathe it in or get it on your skin. You may also be exposed if you eat or smoke after using a product that contains capsaicin without first washing your hands. You also may be exposed if you touch plants that are still wet with spray. You can limit your exposure by staying away from plants that have been sprayed with capsaicin until they are dry. You can also limit exposure by following all label instructions carefully.
What happens to capsaicin when it enters the body?
In animals, researchers have shown that capsaicin is absorbed by the stomach. Capsaicin moves throughout the body with the greatest amounts in the brain and spinal cord. The liver breaks down capsai cin. In one study, researchers could not find any residues of capsaicin 17 hours after injecting rats with it.
What is capsaicin?
Capsaicin is the main chemical that makes chili peppers hot. Capsaicin is an animal repellent that is also used against insects and mites. Capsaicin was first registered for use in the United States in 1962. The U.S. Environmental Protection Agency (U.S. EPA) considers it to be a biochemical pesticide because it is a naturally occurring substance.
What are some products that contain capsaicin?
Products containing capsaicin can be aerosols, liquids, or granular formulations . There are several dozen products containing capsaicin on the market in the United States. Many of these products are animal repellents. Always follow label instructions and take steps to avoid exposure.
How does capsaicin work?
Capsaicin is very irritating to the skin and eyes , and it causes swelling in lung tissue. It can also irritate the mucous membranes in the mouth. In insects and mites, it appears to damage membranes in cells and disrupt the nervous system.
What are some signs and symptoms from a brief exposure to capsaicin?
People may develop vomiting and diarrhea. Inhaling sprays containing capsaicin can cause coughing, difficulty breathing, production of tears, nausea, nasal irritation, and temporary blindness. Capsaicin can cause severe eye irritation and is also irritating to the skin.
Has anyone studied non-cancer effects from long-term exposure to capsaicin?
Scientists studied developmental and reproductive effects of capsaicin in rabbits and rats. The bones in the paws of baby rats did not develop normally when their pregnant mothers were fed capsaicin at doses that made the mothers sick. Baby rabbits were not affected even when their mothers ate enough capsaicin to be sick. There was no information about reproductive or developmental effects of capsaicin in people. Exposure to capsaicin causes increased airway resistance. People who suffer from asthma or other respiratory diseases may be more sensitive to capsaicin.
What bird feeders can stop squirrels from eating seeds?
Well, there are squirrel-proof bird feeders and accessories and contraptions you can invest in called baffles that can stop squirrels from getting to the seeds and feed they want to eat. However, if you are on a tight budget, there are other great options and one that you may have already heard of is cayenne pepper.
How Does It Actually Work as a Squirrel Deterrent?
The heat sensation a cayenne pepper creates in your mouth is caused by the active ingredient called Capsaicin. The general rule of thumb is, the greater the percentage of capsaicin present in a pepper, the hotter it is and in cayenne peppers, there is a lot of it.
Why do birds eat chili peppers?
The reason why birds can eat chili peppers concerns germination and digestion. There was a study conducted in Arizona that found birds were able to feast on hot chilies while mice and rats avoided them.
Can you use hot oil on bird seed?
Some birders have even used chili flakes. Whereas others swear using hot chili oil. Whereas chili flakes are loose and don’t stick to other seeds meaning they can be shoved to one side easily, if you coat your bird seed in hot chili oil, however, squirrels are going to have a harder task avoiding the heat.
Can you use chili powder to deter squirrels?
Ultimately, you want to deter squirrels, and not hurt them. So, always be careful when using any form of chemical deterrent. The use of cayenne pepper, chili powder, and chili flakes are all very common though and unlikely to cause lasting harm while helping to ensure birds continue to visit your garden.
Do squirrels eat cayenne peppers?
And that includes, you’ve guessed it, squirrels. They obviously don’t like the sensation and will actively avoid knowingly eating cayenne peppers because of it.
Do birds eat seeds?
During the study, those conducting it observed that birds were able to pass the seeds quickly and easily, and that, surprisingly, they were almost completely intact. Whereas seeds eaten by rats, mice and other rodents tested passed through broken down by their digestive acids.
How to keep squirrels out of seed?
Why not keep squirrels out of your seed using a less harmful method? Other highly-effective options include: 1 Squirrel-proof/resistant feeders 2 Baffles 3 Bird feeder cages 4 A free-standing pole for your feeder
Why do birds like spicy peppers?
Many birds enjoy spicy peppers too—but only because they can’t actually feel the heat. We know that birds have different taste receptors from humans. In fact, all animals taste flavors differently ( cats lack the ability to taste sweetness ). Because birds are biologically unable to register the effects of capsaicin—the chemical ...
Why do birds not feel the burn?
Because birds are biologically unable to register the effects of capsaicin—the chemical that makes peppers feel “hot” in your mouth— they don’t feel the burn like we do. Carolina Reaper Plant. Credit: P. Podkowa, Wikimedia Commons.
Why do birds eat jalapeos?
These plants want their fruit to be eaten by birds—which travel long distances—in order to spread their seed effectively.
Can hot peppers hurt birds?
Heartburn. Diarrhea. For birds, it’s just another snack. Some have speculated that eating hot peppers may also cause stomach discomfort for birds too, but that’s still a mystery.
Do chilies help birds?
Chilies are a good source of Vitamin A, which is known to improve feather quality, color and shine. Hot peppers are also widely believed to have health benefits for humans, including antioxidants, immunity support and possibly even pain relief. The same may be true for birds. Image by jLasWilson from Pixabay.
Do mice like hot peppers?
An Evolutionary Advantage for Hot Pepper Plants. Mammals, like mice and squirrels, ordinarily go wild over mild and sweet pepper plants. But, because these rodents share the same spicy food receptors that humans have, they tend to avoid hot peppers as food sources. That’s just fine with the pepper plants. Jalapeños, habaneros, and the aptly named ...
