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.

6 Strange Items Cats Like to Collect & Why (Vet-Reviewed Info)

Cat-hunting-to-toy-mouse-at-home

Cats are interesting animals that often do things that remain a mystery to us. One behavior that some cats engage in is collecting random items. There’s yet to be a concrete explanation for why cats will collect, hide, or hoard certain items. This behavior may be connected to resource guarding, mothering instincts, or hunting instincts.

While it makes sense for cats to hoard and hide food and toys, some cats may develop a hobby of collecting unusual items. Here are some things that cats may end up collecting.

divider 2 cats

Top 6 Strange Things Cats Collect

A Note From Our Veterinarian

Please note that the reasons provided for a cat collecting these items are not scientifically proven. Instead, they are the author’s opinion. Your cat may collect these or other items for different reasons. 

Small items pose a choking and foreign body risk for cats. Whenever possible, you shouldn’t allow your cat to freely collect small items.

1. Jewelry

a cat looking at the wedding rings_JumpStory
Image by: Jumpstory

Some cats may end up stealing and hoarding jewelry. It’s unclear as to why cats may enjoy jewelry, especially because they’re not fond of wearing any. However, it’s possible that they’re attracted to the shine and light reflecting off them. Jewelry and precious metals may have similar effects to laser pointers and light that reflects off mirrors. So, cats may just be intrigued and attracted to items that sparkle.


2. Bottle Caps

blue and white bottlecaps
Image by: Sebastian P, Unsplash

Metal bottle caps can have a similar effect as jewelry. Some cats enjoy playing with plastic bottle caps that you can twist off of milk cartons and water bottles. Cats might like these items because they enjoy the sounds that they make. They make different noises when they’re dropped or slid across the floor. These sounds may sound similar to insects that cats may enjoy hunting, like cicadas and crickets.

I’ve had a cat that enjoyed stealing milk caps. We’d have to be very careful with holding them in our hands whenever we opened a milk carton, or she’d swipe them off our kitchen counter. She seemed to enjoy batting the caps and sliding them around the floor. She especially loved when the cap had a tail attached to it, and she could spend a long time playing with it.


3. Rubber Bands

rubber bands
Image by: Jumpstory

Cats may enjoy stealing rubber bands because of their texture. Like jewelry and bottle caps, rubber bands can be choking hazards. Therefore, it’s best to store them away in safe and unreachable places to keep your cat safe.


4. Cardboard Boxes

a cat in a cardboard box
Image by: Jumpstory

Cardboard boxes may not be very valuable to us, but many cats enjoy playing with cardboard boxes and hiding in them. My cat loves cardboard boxes, and you can see her getting visibly upset on garbage collection day. When it’s time to toss our boxes in the recycle bin, we always have to remember to leave one box for her.

Cats can find cardboard boxes comforting because they find safety in enclosed and dim spaces. They may also enjoy scratching them and sinking their claws into them.


5. Leaves and Paper

crumpled paper
Image by: Jumpstory

Some cats might enjoy collecting pieces of paper. You might find them playing with crumpled receipts and opened mail. Some cats might also like playing with and collecting dried leaves. The reason for this may be similar to the reason why cats like bottle caps. The leaves and paper can make noises that might be intriguing for cats.


6. Small Pieces of Plastic

marker pen caps
Image by: Teacher Photo, Shutterstock

Cats may develop a habit of collecting everyday household items, like floss picks, jar lids, and pen caps. They may enjoy playing with small pieces of plastic because they have a softer texture and can make some fun noises. For such cats, plastic items are relatively light and easy to carry around, and they’re usually found in abundance.

divider 2 cats

Is It Okay if My Cat Collects Things?

Collecting items is normal behavior that some cats will engage in, and it’s not a huge concern. However, there are some cases when it should be addressed and prevented. Some cats may collect things due to resource guarding.

Resource guarding is more common in multi-cat or multi-pet households. It occurs when one cat feels as though their resources are threatened. Consequently, they begin hoarding the sources. They are often seen getting aggressive when others come near their resources. 

Resource guarding doesn’t necessarily have to be for items a cat can carry. Sometimes, a cat will defend their litter box from others. Likewise, they may consider a resting spot as “theirs” and not allow others to access it. 

Some cats may collect items that are safety hazards. Cats can easily choke on small items, like coins and rubber bands. If they accidentally eat a non-food item, they’ll need to be assessed by a veterinarian promptly. This may involve surgery to remove the foreign body from their system. Strings, rope, or thread-like objects are the most common foreign body seen in cats. You can try to find safer alternatives and cat toys that are similar to these items, and make sure to store these objects in secured spaces.

If you are concerned about the health and well-being of your pet, seek veterinary advice for the best course of action.

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!

PangoVet_Mention-in-Content for PangoVet2 save money

divider 2 cats

Conclusion

One of my favorite things about having pet cats is discovering their unique and quirky habits and personalities. Not all my cats collected objects, and the one that liked to swipe milk caps was completely healthy and was most likely acting out of curiosity and playfulness. Cats collecting random objects isn’t usually a problem (provided they don’t choke on or inadvertently swallow the item), but if you’re concerned, you can always speak with a veterinarian or a cat behaviorist to determine the best way to address the behavior.


Featured Image Credit: Viacheslav Lopatin, 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

Ukrainian Levkoy Cat Breed: Info, Pictures, Care & More

If you’re looking for a hairless cat, you must meet the Ukrainian Levkoy! This breed is so rare that it hasn’t even been...

Is it True That All Black Cats Have Yellow Eyes? Myths, Facts & FAQ

There is something spooky yet alluring about black cats. For centuries, they have been associated with witchcraft, bad luck, and death. But black...

Why Do Cats Rub Against You? 4 Vet-Verified Reasons For This Behavior

One of the most heart-warming feelings is a kitty rubbing up against you, asking to be pet. But have you ever stopped to...

Why Do Feral Cats Cry at Night – 7 Vet Reviewed Reasons

Have you ever been kept up at night with the sounds of cats vocalizing outside your bedroom window? We’ve all been there, which...

More related

Do I Need to Get My Indoor Cat Vaccinated? Vet Approved Facts & Safety Guide

If your cat is an indoor cat that rarely ventures outside, their chances of injury and illness are likely lower, but does this...

Why Does My Cat Go into Another Room and Meow? 9 Vet-Reviewed Reasons

Cats meow as a means of communication with others, with us, and to express their internal states, which can make us think that...

How Long Does It Take for Cats to Get Along? Feline Friendship Guide

According to the American Veterinary Medical Association (AVMA), about 37 million households have cats. And of those 37 million, each has an average...

How to Cat Proof a Balcony: 5 Vet-Approved Tips

Balconies can be a huge source of anxiety for cat owners. It’s just so easy for our furry friends to, well, fall off....

Keep reading

10 Best Dry Cat Foods in the UK in 2025: Reviews & Top Picks

Whether you feed your cat a combination of wet and dry food or just dry food, getting the right kibble is important. It should meet your cat’s nutritional requirements according to their age, health conditions, and, of course, their preferences....

grey cat eating food

Is Waterless Shampoo Safe for Cats? Vet-Approved Benefits & Tips

Not many owners manage to give their cat a bath and walk about without any damage! Most cats loathe water, avoiding it at all costs. If you are one of the few with a mythical cat that tolerates—or even enjoys—a...

Catster_Is Waterless Shampoo Safe for Cats

How to Tell if My Cat is in Pain: 7 Vet-Reviewed Signs to Look For

Cats are notorious for hiding their illnesses. From an evolutionary standpoint, it makes sense. Cats hide their illnesses to ensure they are not seen as easy targets by predators. While cats no longer have to worry about predators in our...

sick cat with feline disease

How to Take Care of Your Cat’s Teeth: 8 Vet-Verified Tips

Dental problems are pretty common in cats. When plaque sits on their teeth, it hardens and develops into tartar. Tartar around the gum line causes irritation and inflammation that results in gingivitis, which can lead to full-blown periodontal disease and...

hand showing the teeth of blue tabby maine coon cat

What Is Cat Shrimping? Explanation With Pictures

Cats are interesting characters that can surprise us with their personalities and behaviors, no matter how well we think that we know them. What’s fun is following trends that cats set without realizing what they are doing. One trending example...

Cat Curl Up Sleeping

My Cat Is Not Eating But Acting Normal, What’s Wrong? 7 Vet-Reviewed Issues

It is understandable to feel worried if your cat is not eating much but acting normal. Although cats can be finicky about mealtimes and their food preferences, a poor appetite could indicate that something is wrong. There are various reasons...

vet examining the sick cat with stethoscope

Can Cats Eat Frogs? Vet-Reviewed Safety Facts

If you have a rambunctious feline with a strong prey drive, you have likely come across them playing with something strange or unsavory. Cats are incredible hunters, and they will hunt almost anything smaller than themselves. In many climates, that...

Can Cats Eat Frogs

11 Vet-Approved Cat Heart Facts: How Feline Hearts Compare to Ours

The size of a cat’s heart is, naturally, much smaller than that of a human, but it is just as important. It pumps oxygenated blood around the body while carrying carbon dioxide and other waste products away. Although much smaller...

female vet checking up the cat