Can Cats Smell Spiders?

by Alex Kountry
Updated on

Have you ever wondered if your cat can smell spiders? Well, the answer is yes! Cats have a highly developed sense of smell that allows them to detect all sorts of things, including spiders. So if you’re ever wondering why your cat is staring at a particular spot on the floor, there’s a good chance they’re trying to sniff out a spider!

Checkout this video:


Cats are said to be afraid of spiders but can they smell them? A study conducted by the University of Vienna found that cats could, in fact, smell spiders. The researchers placed three different kinds of spiders in a room with a cat and observed the feline’s reaction. The cats were more likely to avoid the room with the spiders, and they also showed signs of stress, such as increased heart rate and pupils that dilated more than usual.

What Do Cats Smell?

Cats have a sense of smell that is 14 times stronger than a human’s. They use their sense of smell for many things, such as finding food and avoiding danger. But can cats smell spiders?

The Sense of Smell

Cats have an extraordinary sense of smell. Scientists believe that their noses are anywhere from four to seven times as sensitive as ours. The part of the brain that analyzes smells is also much larger in cats than in dogs or humans. All these factors make a cat’s sense of smell one of the most important tools in its survival kit.

Cats use their sense of smell for many different purposes. They can use it to locate prey, to find their way home, and to identify other cats. A mother cat uses her sense of smell to recognize her own kittens.

Cats also communicate with each other through scent. They mark their territories with urine and leave scent marks on objects they want to claim as their own. When two cats meet, they often greet each other by sniffing each other’s heads and tails.

The Anatomy of a Cat’s Nose

Cats have an excellent sense of smell. In fact, their sense of smell is 14 times stronger than ours. They have 30 million olfactory receptors in their noses, compared to our 6 million. This means that they can detect odors that are much weaker than what we can detect.

Cats use their sense of smell for many things: to find food, to avoid predators, to identify other cats and even to find mates. Cats also rely on their sense of smell to help them determine if something is safe to eat or not.

Interestingly, cats have a third eyelid (a nictitating membrane) that helps them clean their eyes and keep them moist. This third eyelid also has a gland that produces a liquid with a strong odor. This liquid helps cats leave their scent wherever they go, which is why you may notice your cat rubbing his face on things around your home.

How Do Cats Smell Spiders?

Cats have an incredible sense of smell. With their keen sense of smell, they can find things that we cannot. So, can cats smell spiders? Let’s take a look at how cats smell and what they can do with their sense of smell.

The Spider’s Scent

The vast majority of spiders are venomous, and their bites can cause serious health problems in humans, including death. So, it’s no wonder that many people are interested in knowing how well cats can smell spiders.

There are a few different ways that cats can smell spiders. The first is through their noses. Cats have a very acute sense of smell, and they can pick up on the faintest odors. This means that they can probably smell a spider even if it’s not very close by.

The second way that cats can smell spiders is through their whiskers. Cats have whiskers on their face, and these whiskers are very sensitive to vibrations. This means that when a spider walks nearby, the whiskers will vibrate and the cat will be able to sense it.

Finally, some experts believe that cats may be able to smell pheromones released by spiders. These pheromones are chemical signals that spiders use to communicate with each other, and they may be detectable by cats. However, this theory has not been proven definitively.

So, how well do cats smell spiders? It depends on the individual cat, but most cats have a very good sense of smell and should be able to detect spiders from a distance.

The Cat’s Brain

When it comes to spiders, cats seem to have a sixth sense. They can sense these eight-legged creatures before they even see them. But how do cats smell spiders?

The cat’s brain is hardwired to detect certain scents. This ability is known as olfaction. Cats have a large olfactory bulb, which is the part of the brain responsible for processing smells. This bulb is about twice as big as the one in dogs’ brains and ten times bigger than humans’. In other words, cats are designed to smell things very well.

When a cat smells something, the odor molecules travel through the nose and into the olfactory bulb. There, the molecules are broken down and analyzed. The information is then sent to other parts of the brain, including the amygdala and hypothalamus. These areas are responsible for fear and aggression, respectively. That’s why a cat may hiss or try to swat at a spider that it can’t even see.

So, while we may never know exactly why cats are so good at detecting spiders, we do know that it has something to do with their amazing sense of smell.

Do All Cats Smell Spiders?

Some cats have a stronger sense of smell than others. This is because all cats have different levels of the protein that helps them smell. The Sphynx cat, for example, does not have this protein, which is why they cannot smell as well as other cats.

Cat Breeds

There is some evidence that certain cat breeds are more likely to be afraid of spiders than others. Siamese cats, for example, seem to be particularly fearful of these eight-legged creatures. But whether or not a cat breed is afraid of spiders may have more to do with the individual cat’s personality than anything else. So, if you’re wondering whether or not all cats smell spiders, the answer is probably no.

Individual Differences

There are many individual differences between cats when it comes to their ability to smell spiders. Some cats seem to be able to detect spiders more easily than others, and some do not seem to be able to smell them at all. There is no clear reason for these differences, but it is likely that they are due to individual variations in the sensitivity of the cats’ noses.


Based on what we know about a cat’s sense of smell, it’s likely that they can detect spiders. Their keen sense of smell allows them to identify various smells, including the scent of spiders. However, it’s unclear if cats can actually distinguish between different types of spiders.

Photo of author

About the author

Alex Kountry

Alex Kountry is the founder of HayFarmGuy and has been a backyard farmer for over 10 years. Since then he has decided to write helpful articles that will help you become a better backyard farmer and know what to do. He also loves to play tennis and read books


HayFarmGuy - Get Info About Farm Animals in Your Inbox

Leave a Comment