Behaviors of Intact Male Dogs

Updated on July 29, 2019
alexadry profile image

Adrienne is a certified dog trainer, former veterinary assistant, and the author of "Brain Training for Dogs."

Intact male dogs may be more likely to display behaviors linked to hormones.
Intact male dogs may be more likely to display behaviors linked to hormones. | Source

That cute male puppy may appear adorable upon seeing him for the first time. However, once adopted, puppyhood lasts only a fraction of a dog's life, and sooner than later that cute puppy will turn out being a teenager with full-blown testosterone dictating various unwanted behaviors.

Indeed, dog adolescence may not be a walk in the park and is somehow similar to dealing with human teenagers. Perhaps this is why according to PetSyle most dogs are surrendered to shelters between the ages of eight months through 18 months. However, for those that are able to hold on to those adolescent dogs with unwanted behaviors, they will eventually get to the light at the end of the tunnel, once their dog settles down and turns into an adult. Although, they may still have to deal with hormones should they fail to neuter their dogs.

Male dogs reach sexual maturity when they reach their adolescence stage. Owners who chose to not neuter their dogs, therefore, may have to deal with the rebellious teenager stage with the effects of hormones on top of that. This article applies in particular to behaviors of some intact male dogs. Of course, they don't apply to all intact male dogs.

Marking Behavior

In the wild, as a pack of wolves migrate from one place to another looking for food, some male wolves may be seen urinating on bushes, trees, or rocks. The wolves will lift their leg and dribble a bit of urine. This is pure marking behavior. Domesticated dogs have conserved part of this instinct. A male dog may walk to an area, sniff it, lift its leg and mark it to leave "I was here" message.

Curiously, according to the book Genetics and Social Behavior of the Dog, dogs that live in a pen rarely frequented by other animals, will not engage in this activity and may still squat as they did as when they were puppies. The main trigger which entices the dog to lift the leg and mark, therefore, appears to be the smell of another dog's urine.

Some male dogs may also defecate as a way to mark, and after doing so, they may scratch the dirt nearby. This is not to cover up the feces, rather it is to mark it further adding a visual cue, that he was there.

Roaming Behavior

An intact male dog has an instinct to roam around. They feel the pressure to mark around the neighborhood. This behavior especially exacerbates if there is a female in heat nearby. Dogs may recognize the scent of a female in heat from several feet away, and they may stick around the area for many hours or days. Sometimes if there are competitor dogs nearby, they may even engage in bloody fights. If you must own an intact dog, make sure your dog is safely confined (this applies to any dogs).

Mounting Behavior

While mounting may appear to be mostly a sexual behavior, it is often triggered by other reasons. For more on this read about humping behaviors in dogs. Neutered males, puppies, and female dogs may be also seen mounting other dogs, or human legs.

Aggressive Behavior

Some intact male dogs may exhibit aggressive behaviors targeted at other male dogs, especially when there is a female in heat. While neutering the dog is not a magic solution, it may sometimes lower this type of aggression if it is related to hormones.

Aggression manifested towards owners, strangers or other dogs will likely not change especially if there is a fear component at play. Aggressive behaviors should always be assessed by a dog behaviorist before deciding whether to neuter or not. For more on this, read Should Male Dogs be Neutered?

References

Genetics and Social Behavior of the dog by John Paul Scott, John L. Fuller University Of Chicago Press; 1 edition (January 1, 1998)

This article is accurate and true to the best of the author’s knowledge. It is not meant to substitute for diagnosis, prognosis, treatment, prescription, or formal and individualized advice from a veterinary medical professional. Animals exhibiting signs and symptoms of distress should be seen by a veterinarian immediately.

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    • alexadry profile imageAUTHOR

      Adrienne Janet Farricelli 

      5 months ago

      Once pregnant, a female dog's hormones change and they typically do not allow mounting so the only difference you may notice in your male is that he may no longer be interested in mating with her. However, hormonal changes in female dogs occur as well when she is not pregnant, so no, you can't use your male dog's behavior as an indicator as to whether she is pregnant.

    • profile image

      Tania Mahan 

      6 months ago

      Can a male dog detect when a female dog is pregnant?

    • alexadry profile imageAUTHOR

      Adrienne Janet Farricelli 

      6 years ago

      Hello Catherine, you are very fortunate to own such a lovely dog. Unfortunately some owners are not that lucky. This article is a head's up for the worse, but I tend to agree about the neutering and you can read more about this in this article:

      https://pethelpful.com/dogs/Should-Male-Dogs-be-Ne...

    • profile image

      Catherine 

      6 years ago

      I have a 5 year old intact male dog. I had him since he was a puppy. He has NEVER urine marked in my house. He has NEVER mounted me or any other human being or any inanimate object. He is the MOST docile, easygoing, nonaggressive dog I have ever owned. He is exceedingly dog friendly and his best doggy friend is another intact male dog.

      Today, he went to the vet to receive routine vaccinations and his vet actually told me that I was wise not to neuter him because current research indicates that intact dogs actually live longer and healthier lives.

    • Laura in Denver profile image

      Laura Deibel 

      7 years ago from Aurora, CO

      Thanks. My ex and I got a dog and had him neutered a bit late. Estimated age 9 months, who knows.

      He was OK except for the mounting behaviour which was embarrasing to me at the time.

      Since then, I have recovered from this perfect persona mentality and would just state what, anywhere and why...

    • alexadry profile imageAUTHOR

      Adrienne Janet Farricelli 

      7 years ago

      You are right, I wrote this article probably 4 years ago, when I used to work for a local shelter and we really pushed into the neutering option due to the pet overpopulation problem.Sorry, after you see countless dogs put to sleep you feel like pointing fingers towards those who fail to alter their pets. My newest article on neutering dogs is more open-minded and demonstrates that in some countries such as in Sweden where many owners choose to not alter, responsible ownership is something possible and I love to use them as an example we should follow. Here is my hub:

      https://pethelpful.com/dogs/Should-Male-Dogs-be-Ne...

    • profile image

      dr3allday 

      7 years ago

      Hey, I'm sure the following might have been a quote cited by one of the Johns, but it speaks to why I'm bothered by the pressure to alter:

      "Male dogs reach sexual maturity when they reach their adolescence stage. Owners that refuse to neuter their dogs, therefore, must deal with the rebellious teen ager stage with the effects of hormones on top of that."

      Objectively speaking, owners choose not to neuter. They don't refuse to neuter.

      My 1 year old English Mastiff, Hero, might look scary to some, but he's a fine pup with a great, friendly disposition. For health reasons, cost, and my not willing to conform to pressure, I will not alter him. However, here lies the problem (and I would love to see a heavily circulated article written on this), he is a target at public dog spaces because he has his balls. He has been attacked for only that reason- without fighting back. He's an English Mastiff that will get bigger and older, and may not take being attacked lying down as time goes on. Likely I will then become the target. How fair is that?

    • knell63 profile image

      knell63 

      10 years ago from Umbria, Italy

      Hi Alexa, Interesting read. I've got an 11 year old who finally behaves himself. I read a great book by Jan Fennel called Dog Listening, its all about social behaviour and bonding with you pet. That seems to be the important thing and letting them know who is boss.

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