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Why do dogs bark at evil people?

Real-Life Stories of Dogs Detecting Danger — Can Dogs Sense Evil?

Let me take you on a journey into the mysterious world of dogs and their innate ability to sense evil. Have you ever wondered if your furry companion can pick up on something you can’t quite put your finger on? Can they sense when something is off or when danger is lurking in the shadows?

It turns out that dogs have an incredible sense of intuition and are capable of picking up subtle changes in their environment that can be unnoticed by humans. But can they really sense evil? Let’s find out if dogs can really sniff out evil like they can a juicy bone!

Can Dogs Sense Evil? How?

First, let’s take a closer look at the science behind a dog’s sense of smell. It’s no secret that dogs have an incredibly powerful sense of smell, and this is due to their highly developed olfactory system. Dogs have up to 300 million olfactory receptors in their noses, compared to just 6 million in humans. This means that dogs can pick up on scents that are far too subtle for us to detect.

But what does this have to do with sensing evil? Well, many experts believe that dogs can pick up on changes in a person’s scent that can indicate that they are feeling anxious, fearful, or aggressive. These changes in scent are caused by the release of certain hormones and chemicals in the body, such as adrenaline and cortisol.

When a person is feeling anxious or fearful, their body releases these hormones as part of the fight-or-flight response. Dogs can pick up on these changes in scent and may become more alert or protective as a result. In other words, if someone is feeling «evil» or malicious, their body chemistry may change, and a dog may pick up on this through their sense of smell.

Another factor that may contribute to a dog’s ability to sense evil is their keen sense of hearing. Dogs can hear frequencies that are too high for humans to detect, and they are also able to pick up sounds that are very quiet or far away. This means that they may be able to detect things that we cannot. For example, the sound of someone sneaking up behind us or the subtle sound of a person’s breathing when they are feeling nervous or scared.

Scared doggy

But don’t just take our word for it — there are countless stories of dogs who have seemingly sensed evil or danger and taken action to protect their owners. Here are just a few examples:

  • In 2008, a man in England was walking his dog in a park when the dog suddenly began growling and barking at a nearby bush. The man couldn’t see anything, but the dog’s behavior was so unusual that he decided to investigate. He soon discovered a young girl who had been abducted and was being held captive in the bush. Thanks to the dog’s intuition, the girl was rescued and the perpetrator was caught.
  • In 2014, a woman in New York City was walking her dog in a park when the dog suddenly became agitated and refused to move. The woman couldn’t figure out what was wrong, but she soon noticed a man who was lurking nearby and appeared to be following her. Thanks to the dog’s behavior, the woman was able to escape unharmed.
  • In 2019, a family in Ohio was sleeping when their dog suddenly began barking and growling at the front door. When the family investigated, they discovered that someone had been attempting to break into their home. Thanks to the dog

The Power of a Dog’s Nose

As previously mentioned, dogs have an incredibly powerful sense of smell, which is closely linked to their ability to sense danger. For example, dogs are often used by law enforcement agencies to detect drugs, explosives, and other illicit substances. Their sense of smell is so powerful that they can even detect these substances when they are hidden deep within luggage or other containers.

But it’s not just the ability to detect specific scents that makes a dog’s sense of smell so powerful — it’s also their ability to detect changes in a person’s scent. As we mentioned earlier, changes in a person’s body chemistry can cause subtle changes in their scent, which a dog may be able to pick up on. This can be especially helpful in situations where a person is trying to hide their true intentions or feelings.

One example of this is a study that was conducted by researchers at the University of Liverpool in the UK. In the study, dogs were shown photographs of people who were either happy or angry, and their responses were recorded. The dogs were able to correctly identify the emotions in the photographs with a high degree of accuracy, even when the photographs were taken from different angles or in different lighting conditions.

This study suggests that dogs are able to pick up on subtle changes in a person’s body language and facial expressions, which can help them to detect danger or aggression. This is why it’s important to pay attention to your dog’s behavior when you’re out in public — if they seem anxious or on edge, there may be something that they are picking up on that you can’t see or hear.

Small skeptical dog

Signs That Your Dog Does Not Trust A Person

So, how can you tell if your dog doesn’t trust a person? Here are some signs to look out for:

Your Dog Avoids the Person

One of the most obvious signs that your dog doesn’t trust a person is if they avoid them. This may mean that they try to move away from the person, hide behind furniture or other objects, or even leave the room altogether. If your dog is consistently avoiding a particular person, it’s a good indication that they don’t feel comfortable around them.

Your Dog Growls or Barks at the Person

Another clear sign that your dog doesn’t trust a person is if they growl or bark at them. This may happen when the person enters your home or when your dog sees them out in public. If your dog is growling or barking at someone, it’s important to take their behavior seriously and to keep them at a safe distance.

Your Dog Stares Intently at the Person

Dogs are very observant animals, and they often use their body language to communicate how they are feeling. If your dog is staring intently at a person, it may be a sign that they don’t trust them. This could be accompanied by other behaviors, such as a stiff body posture or raised hackles.

Your Dog Acts Nervous or Anxious Around the Person

If your dog is acting nervous or anxious around a particular person, it may be a sign that they don’t trust them. This could include behaviors like trembling, panting, or licking their lips. If your dog seems to be stressed out whenever they are around a certain person, it’s important to pay attention to their behavior and take steps to keep them calm and comfortable.

Your Dog Displays Aggressive Behavior

In some cases, a dog’s lack of trust in a person may escalate to aggressive behavior. This could include biting, snarling, or lunging at the person. If your dog is displaying aggressive behavior, it’s important to take steps to keep everyone safe and to work on addressing the underlying cause of their behavior.

If your dog is exhibiting any of the above behaviors towards a person, it is important to be observant and act accordingly. Dogs are loyal creatures and they can be great indicators of danger or untrustworthy behavior in humans. By being aware of your dog’s body language and behavior, you can help to keep them safe and comfortable in any situation.

dog looking stoic

Dogs and Emotional Support

Dogs are often used as emotional support animals because of their ability to pick up on our emotions and provide comfort when we need it most. In fact, many people who suffer from anxiety or other mental health issues find that their dogs are an invaluable source of comfort and support.

One of the reasons why dogs are so effective as emotional support animals is because of their ability to sense changes in our emotions. When we are feeling sad, anxious, or stressed, our dogs often pick up on this and may try to comfort us by licking our faces, cuddling up next to us, or simply sitting quietly by our side. This can be incredibly helpful in reducing our stress levels and helping us to feel more calm and relaxed.

Similarly, if we are feeling threatened or in danger, our dogs may pick up on this and become more protective. This is why dogs are often used as guard dogs or police dogs — they have an innate sense of when something is amiss and are not afraid to take action to protect their owners.

The Role of Training in a Dog’s Ability to Sense Danger

While dogs may have an innate ability to sense danger, their ability to respond to these situations can be enhanced through training. For example, police dogs are trained to respond to specific commands and to follow certain protocols when they are on the job. This training helps to ensure that the dog is able to respond appropriately in a variety of different situations, from chasing down a suspect to sniffing out a bomb.

Similarly, if you want to train your own dog to be more alert and protective, there are certain things that you can do to enhance their natural instincts. For example, you can teach your dog to bark when they sense danger, or to stay close to you when you’re out in public. You can also work on building your dog’s confidence and teaching them to be more assertive when they need to be.

The Bottom Line

While there is no definitive scientific evidence to support the idea that dogs can sense evil, there are countless stories of dogs who have seemingly sensed danger and taken action to protect their owners. Whether it’s through their powerful sense of smell, their keen sense of hearing, or their ability to empathize with humans, dogs are truly remarkable animals that have an uncanny ability to pick up on subtle changes in their environment.

If you have a dog, it’s important to pay attention to their behavior and to trust their instincts. If your dog seems to be acting in an unusual or protective manner, it’s always better to err on the side of caution and take steps to keep yourself and your dog safe. By working together with your furry companion, you can create a strong bond built on trust and mutual protection. And who knows, your dog may just save your life one day.

Get more expert advice on pet-parenting by visiting the Off Leash blog at

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Why do dogs bark at one person and not another?

Jack Russell dog barking

Have you noticed that your dog barks at one person and not another? While it can sometimes cause embarrassment when you are around specific people, it can be helpful to understand what’s causing your dog to behave like this with certain people as you may be able to get it to stop.

By Zoë Monk

Updated on the 03/05/2022 17:55

Dogs are always alert, especially when it comes to meeting new people. With their incredible sense of smell, it’s impossible to know just how they perceive the world around them and what additional information they get from people.

You may have noticed that your dog is quick to spot new people, and will bark and growl at them. While this barking can indicate defensiveness, anxiety, aggression or even just excitement it may not be consistent with everyone they meet. So, why does your dog have different reactions to people?

Why do dogs bark at certain people?

Dogs may bark at certain people because the individual mistreated the dog in the past or they look like or smell like someone who mistreated them. It could also be that your dog finds the person’s body language or tone of voice to be threatening. But barking doesn’t always mean something negative. It could be because the dog is excited to see the person. After all, they remember that they rewarded them in the past with treats, playtime or attention.

Three reasons why dogs only bark at certain people and strangers

There are three potential causes for your dog to bark at particular people:

  1. Mistreatment: The specific person may have mistreated the dog or someone who looks, sounds or acts similarly to someone who mistreated them in the past. Your dog may show their teeth, pull their lips back, stiffen their tail, or simply try to avoid the person.
  2. Excitement: The person is someone your dog knows well or has had contact with in the past, and they get excited when they see them. Your dog may show their excitement by wagging its tail and excessive licking.
  3. Person seems threatening: While the person may be harmless, it could be that your dog doesn’t like their body language and considers the person as threatening. They may give intense eye contact which your dog doesn’t like, or the dog feels the person is on their territory or has got to close to you and they think the person is a threat to you.

Find out what causes your dog to be aggressive with other dogs.

Why does my dog growl at only one person?

If your dog growls at one specific person, this is quite normal canine behaviour. It could be because the person reminds your dog of someone who mistreated them in the past. It could also be the way they interact with your dog or even how they feel about your dog, which your pup has picked up on. It could be the shampoo or deodorant the person uses, the food they eat, the perfume or aftershave they wear or even if the person is afraid of your dog. It could be many different things.

Do dogs bark at certain people to get their attention?

It’s easy to assume that when a dog barks at someone, it’s because they either dislike them or the dog has aggression issues. However, it can be as simple as the dog using barking to attract the attention of someone, such as their owner. A dog can bark at a person because they want attention, food, to go for a walk or to play. Many dogs will bark because they simply want to play or share a positive experience, not to be aggressive. If the dog is jumping in anticipation, wagging their tail or showing signs they are happy; their barking is likely to be an extension of how they are feeling.

Why don’t dogs bark at some people?

If there are some people who your dog never barks at it could that your dog doesn’t view them as any threat, but also doesn’t view them as a source of excitement. That’s not to say your dog doesn’t like the person; they just don’t get over-excited in their presence.

Why does my dog bark at some people and not others?

The likely reason why your dog growls or barks at some people and not others is because of their body language, the way they look or smell, how they interact with the dog or behave towards you or because the person reminds the dog of someone who previously mistreated them. But it could also be because the dog feels happy to see that person and wants their attention.

What can you do if your dog is scared of people and other dogs?

How to stop your dog from barking at certain people

If you know that the person your dog is barking at has good intentions, dog trainers recommend using positive reinforcement training to teach your dog not to feel protective or defensive around that person. This method of canine training uses rewards to encourage your dog to behave the way you want. Whenever your dog does not bark at people, reward them, and they will eventually learn that refraining from barking at people means they some playtime or a tasty treat.

Why do dogs bark at specific people?

Dogs are very expressive animals, and their body language and behaviour will show how they are feeling. While barking at people shouldn’t be treated as bad behaviour, it’s helpful to recognise why your dog may be doing it. With positive reinforcement training and ensuring you don’t inadvertently encourage them, your dog can learn that barking at people is not acceptable and won’t benefit them.

Zoë Monk

Zoë Monk is a freelance content writer from Dorset. After graduating with a degree in Journalism, she worked in marketing and PR before becoming a Mum and embarking on a freelance career. One of Zoë’s favourite things about freelancing is being able to work at home with her beloved tortoiseshell cat Bobby close by.

Frequently asked questions

Why does my dog growl?

Growling is a form of canine communication, just like barking. When a dog growls, they are trying to tell you something which is often that they are frightened or very uncomfortable

Find out more about dog growling.

My dog makes strange noises; what do they mean?

Dogs are known to make some very odd noises. Along with barking and growling, a dog can whine, whimper, grunt and even howl. With each different sound, your dog is trying to tell you something. It might be that they are feeling frightened, in pain, very happy or just want some food.

Which dog breeds have the best temperament?

A dog’s temperament can vary depending on their breed. But if you are looking for a dog that’s well-rounded, gentle, loyal and affectionate then you won’t go far wrong with a Beagle, Bulldog or Poodle.

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