Get

In Your Inbox

Catster is reader-supported. When you buy via links on our site, we may earn an affiliate commission at no cost to you. Learn more.

When Do Male Cats Become Sexually Active? Vet-Reviewed Signs & Recommendations

Share

male cat lying down

Kittens are cute, fluffy, and fun, but they grow up fast. Not only in terms of size and demonstrating more adult behavior traits, but also in mating habits. Sexual maturity and mating desires start early in the feline community.

The purpose of the reproduction cycle and its subsequent activities is to produce new kittens and thereby naturally maintain the feline species. Cats manage the mating process and all the aspects involved with it, for the most part, between themselves with little interference from humans, unlike dogs, where humans often control or manage the breeding process more closely.

Male unneutered cats are known as toms, and on average you can expect your male cat to become sexually active and capable of impregnating a queen somewhere between 6–12 months old. But how will you know for sure when this is happening?

divider 3 paws

Physical Signs of a Sexually Active Male Cat

The first sign is seeing testicles. Testicles begin to be visibly noticeable around 2 months of age, as the testicles descend from the inside of the body into the scrotum. The small sacs on the outside of the body contain the testicles. You likely may not notice them until they are a little older and the testicles have grown in size also.

Occasionally, one or both of the testes do not follow this process (do not drop, and instead remain inside the cat’s body). This is known as retained testicles (cryptorchidism) and can be unilateral (only one) or bilateral (both). Therefore, the presence of visible testes shouldn’t be relied upon as your only confirmation of a sexually active male cat.

A further sign you may notice, or smell, is your male cat’s urine. Once they have reached their sexually active age, an unneutered male cat’s urine turns potent and strong, with a distinctly unpleasant smell.

Other signs of a sexually active male cat relate more to their behavior, which we will discuss next.

divider 3 paws

Unneutered Male Cat Behavior

1. Yowling

Unneutered cats, when looking for a mate or calling out for one, elicit a distinct loud yowling noise. It can sound like they are distressed or about to have a scrap with another feline. However, this noise is perfectly normal and is a sign your male cat is sexually active and wants to find a female mate. Much like the smell of urine, once you have heard this yowling noise, it can’t be forgotten. Female cats also make a similar noise for the same reasons as the male feline.


2. Aggression and/or Fighting

Intact males become extremely territorial of their environment. This includes the home, the neighborhood, and any mate they are attracting or are around. Basically, anything they consider to be “theirs.” This guarding and protective behavior is primarily due to testosterone, the male hormone mainly produced in the testes.

During times when your male cat feels threatened or protective of their space, they may, and often do, turn aggressive. They can stare intently, hiss, growl, spit, bat their tails and paws, screech, bare teeth, as well as lurch to attack the other cat or threat. They may also be more aggressive to humans.

cat fighting close up
Image By: RJ22, Shutterstock

3. Urine Spraying and Odor

As mentioned, the smell or stench of tom cat urine is powerful. Unfortunately, in a bid to mark territory as “theirs,” attract another female, or ward off other male cats and threats, tom cats will spray their urine. This can often be in your house too, and they will keep returning to the same areas time and time again to urinate or spray because the scent from their original marking becomes ingrained into the surface easily. This makes matters worse and more difficult for you to clean and eliminate the smell from your home, and further advice should be sought on how to tackle this issue.


4. Roaming and Wandering

Roaming, and even disappearing for periods of time, are typical behaviors of the unneutered male cat. This behavior is common and carried out because they have picked up on the pheromones of a nearby female they are interested in. Once they have the scent, they must investigate and find her!

The problems associated with roaming are your cat’s safety and well-being. They can easily be involved in a road traffic accident, become trapped or locked in a space such as an outbuilding or garage, suffer injuries with no help around, or simply get lost.

Cats that are indoor-only cats will demonstrate roaming tendencies and behavior by scratching at the door and windows or trying to sneak out.

cat outside the car
Image By: Li Lin, Unsplash

Should I Neuter My Male Cat?

The intact male cat can actually be a very unpleasant one. With their habits of roaming, aggression, urine marking, and spraying, you may wish to consider neutering them. Neutering, while not a guarantee to abolish all the said male behaviors, most likely will, as the main source of testosterone has been removed.

It is common practice and advisable to neuter your male cat as soon as they are old enough, usually before they reach sexual maturity unless you are planning to use them for breeding.

Reasons to Neuter Your Male Cat

  • Stops or reduces urine marking and spraying
  • Minimizes aggression
  • Limits roaming or the desire to
  • Limits yowling and vocal calls
  • Reduces the chances and risks of certain cancers
  • Stops unwanted pregnancies
  • Helps to control the feline population, as a single male cat can father many kittens over the years
  • Reduces the number of strays and feral cats

If you’re uncertain about whether your cat needs to be neutered, consult a veterinarian for guidance.

If you need to speak with a vet but can't get to one, head over to PangoVet. It's an online service where you can talk to a vet online and get the advice you need for your pet — all at an affordable price!

Preventative wellness PGV mention keep cat healthy Preventative wellness PGV mention keep cat healthy mobile

divider 3 paws

Conclusion

Even if one missed the development and showing of the male cat’s testicles (one of the first physical signs), the male cat’s behavior traits will soon alert you.

Sexually active male cats are noticeable and often more problematic than they are fun. Unless you are planning to breed your cat, neutering them is the better option, which can be discussed and organized with your veterinarian. Alternatively, you could discuss with your vet or a feline behaviorist how to handle and deal with a tom cat should you wish not to neuter them.


Featured Image Credit: Ibi-Eckert, Shutterstock

Want content like this delivered to you?

Sign Up For Our Newsletter

News, insights, expert advice, and everything cat

* By submitting, you agree to our Terms & Conditions and Privacy & Cookies Policy.




How useful was this post?

Click on a star to rate (you can leave written feedback after clicking submit)

Help us improve Catster for pet parents!

Your feedback really matters.

What did you like about this post? Also how can we improve it?

Join the conversation

Leave a Reply

You’re very welcome to leave a comment or question. Please know that all comments must meet our community guidelines, and your email address will NOT be published. Let’s have a positive and constructive conversation.


Talk With A Vet Online

Peace of mind,
anywhere, anytime

Affordable vet advice

Ask Dr. Paola – Help! My Male Cat Gets Into Fights! (March 9, 2026)

Welcome to our “Ask Dr. Paola” series, where every Monday we bring expert advice straight from Dr. Paola Cuevas (MVZ) to help our...

Why Your Cat’s Poop Smells Like a Biohazard

Nobody enjoys litter box duty, but sometimes it gets unbearable. The smell hits you from across the room. You’re scooping faster, lighting candles,...

RIP Your Furniture? Not With This Guide to Cat Scratch Damage Control

Your couch looks like it survived a minor apocalypse. The curtains have mysterious vertical shreds. That new rug you splurged on is already...

Celebrating 15 Years as the Most Popular Resident of No. 10 Downing Street

For almost 300 years, a rather unassuming Georgian building of black bricks with a shiny black door has been the official residence and...

More related

Maine Coon Cat Breed Info: Pictures, Info, Temperament & Traits

With a heart as large as their body, the Maine Coon (often incorrectly referred to as the “Mancoon”) is an ideal family pet....

Cat Scent Glands: Vet Approved Guide on Where They Are & What They Do

Cats have many unique features that make them extra interesting to cat lovers, like how they can still see in low light conditions...

How to Teach a Cat Their Name: 12 Vet-Verified Tips

Like humans, cats have their own unique personalities and one way for them to embody their individuality is through their names! Although independent...

Why Is My Sick Cat Hovering Over Their Water Bowl? (Vet Answer)

A cat’s water intake depends on a number of factors, including their diet, age, and activity levels. However, what if you’ve noticed your...

Keep reading

10 Best Kitten Brushes of 2026 – Reviews & Top Picks

Kittens, believe it or not, are delicate creatures, even if they somehow manage to get into trouble more than almost every other creature—usually in the space of just a few minutes. They are active, adorable, and sweet, and once you...

Domestic Long-haired kitten on the floor

How to Clicker Train a Cat: 4 Vet-Approved Steps

Most people will say that cats are untrainable, but the reality is that they can be trained if you take the right approach. Clicker training can be highly effective with young cats and kittens, giving you the tools to teach...

cat training

Why Is My Cat So Hungry All of a Sudden? 6 Vet-Reviewed Reasons

Most domestic cats like to eat small, frequent meals daily instead of one or two feasts. It might be normal to see your cat returning to their food bowl several times throughout the day, especially if they’re only snacking. However,...

maine coon cat eating

What’s the Price of Cat & Kitten Vaccinations in Canada? (Costs in 2026)

The moment that you adopt a kitten, you’re committing to a lifetime of caring for them. You’ll need to provide them with high-quality food, access to clean water, a comfortable bed, hiding spots, toileting areas, company, and a safe environment...

Veterinarian doctor holds cat

Why Do Cats Rub Against Your Legs? 3 Vet-Verified Reasons for This Behavior

Trying to understand any aspect of your cat’s behavior can be frustrating, and as all cat owners know, cats have a wide array of behaviors! Usually, a cat rubbing up against your legs is a good sign, and there is...

Cat,Rubbing,Against,Owners,Legs.

Is Basil Safe for Cats? Vet-Verified Nutritional Facts & Safety Guide

Basil (Ocimum basilicum), also known as sweet basil, is a member of the mint family. It is native to India but grown across the world, especially as a culinary herb. It is used heavily in Italian cooking and is the...

Catster_Is Basil Safe for Cats

How to Tell the Sex of a Kitten: Vet-Reviewed Guide (With Infographic)

While it’s exciting to meet a litter of newborn kittens, it can be tricky to tell which of your fluffy new friends are male or female. Despite knowing how to tell the gender of a kitten, even experts can have...

Domestic kittens

Why Is My Cat Panting and Drooling? Vet-Verified Causes & Prevention

Cats are usually fastidious groomers that don’t allow a single hair to fall out of place. However, there are times when cats can drool all over themselves, which is especially concerning when your cat is panting. If a cat is...

Orange cat drooling

Love Cats? So Do We! Join the Catster Community

Stay informed with expert pet care insights delivered straight to your inbox! Discover professional guidance on animal behavior, feeding tips, trusted product picks, and much more.




Sign up for the Catster Email Newsletter

Stay informed with expert pet care insights delivered straight to your inbox! Discover professional guidance on animal behavior, feeding tips, trusted product picks, and much more.