Prepare to Have Your Mind Blown
Our pets share our homes, our couches, and — let's be honest — our beds. But how well do we really know them? The animal kingdom is full of jaw-dropping surprises, and the creatures living under our roofs are no exception.
We've rounded up ten of the most fascinating, weird, and wonderful facts about dogs, cats, birds, fish, and small pets. Fair warning: you're going to want to share these at your next barbecue.
1. Dogs Can Smell Time
You've probably noticed your dog knows when you're about to come home from work — and it's not just routine. Dogs can actually detect the passage of time through scent. As the day goes on, your scent in the house fades at a predictable rate. Your dog learns that when your smell drops to a certain level, you're about to walk through the door. It's essentially a smell-based clock, and it's incredibly accurate.
2. Cats Can't Taste Sweetness
Ever offered your cat a bit of cake and been met with total indifference? There's a scientific reason for that. Cats lack the taste receptor gene (called Tas1r2) needed to detect sweetness. They're one of the only mammals on the planet with this trait. It's thought to be an evolutionary adaptation — as obligate carnivores, cats never needed to seek out sugary foods like fruit. Their palate is tuned entirely to meat.
3. Goldfish Have a Memory of at Least 5 Months
Forget the old myth about goldfish having a three-second memory. Researchers at the University of Plymouth trained goldfish to push a lever to get food, and the fish remembered the skill for at least five months. Some studies suggest they can remember things for even longer. Your goldfish knows who you are, recognises feeding time, and is far more aware of its world than people give it credit for.
4. Parrots Name Their Chicks
In the wild, green-rumped parrotlet parents assign unique call sequences to each of their chicks — essentially giving them names. Even more remarkably, nearby parrots learn and use these "names" to address specific individuals. It's one of the few examples of naming behaviour outside of humans and dolphins.
5. A Dog's Nose Print Is as Unique as a Human Fingerprint
Every dog's nose has a completely unique pattern of ridges and creases — no two are alike. In fact, nose prints have been used to identify dogs in Canada and some other countries since the 1930s. Next time your dog presses their wet nose against your hand, know that they're leaving behind a one-of-a-kind mark.
6. Rabbits Can Purr
Cats aren't the only pets that purr! When rabbits are completely relaxed and content — usually while being gently stroked — they softly grind their teeth together, producing a quiet vibrating sound that's remarkably similar to a cat's purr. Rabbit owners call it "tooth purring," and it's one of the most heartwarming sounds you'll ever hear. It means your bunny trusts you completely.
7. Cats Spend 70% of Their Lives Sleeping
If your cat seems to sleep all day, that's because they basically do. The average cat sleeps between 13 and 16 hours per day, which adds up to roughly 70% of their entire life. This is another evolutionary trait — in the wild, cats are ambush predators who conserve energy between hunts. Your pampered indoor kitty has kept the habit, minus the hunting part (well, mostly — we've all received a "gift" mouse at some point).
8. Guinea Pigs "Popcorn" When They're Happy
If you've ever seen a guinea pig suddenly leap into the air with a little twist and a squeak, you've witnessed "popcorning." It's exactly what it sounds like — they bounce around like popcorn kernels. It's a genuine expression of pure joy, most commonly seen in young guinea pigs but also in adults who are particularly excited about fresh veggies, a clean cage, or playtime. It's impossible not to smile when you see it.
9. Some Fish Can Recognise Human Faces
A 2016 study published in Scientific Reports found that archerfish could be trained to distinguish between human faces with remarkable accuracy — up to 89% even when factors like head shape and colour were controlled. While archerfish aren't common pets, the study suggests that fish cognition is far more advanced than we've traditionally assumed. Your betta fish staring at you through the glass? They probably know exactly who you are.
10. Birds Can Dance — and They Have Rhythm
When your cockatiel bobs its head to music, it's not random. Research by Dr. Aniruddh Patel showed that Snowball, a sulphur-crested cockatoo, could genuinely keep time with a musical beat — and adjust his movements when the tempo changed. This ability to synchronise movement to rhythm was previously thought to be unique to humans. Parrots and cockatoos are among the few non-human animals confirmed to truly dance.
Bonus Fact: Your Pet Makes You Healthier
Multiple studies have shown that pet ownership lowers blood pressure, reduces stress hormones, and increases levels of oxytocin (the "love hormone"). Dog owners in particular tend to be more physically active and have a lower risk of heart disease. So every time your dog drags you out for a walk on a cold morning, they're genuinely extending your life. Not a bad deal, really.
What's Your Favourite Fact?
The more we learn about our pets, the more extraordinary they become. Whether you've got a purring rabbit, a dancing cockatoo, or a goldfish with a better memory than yours, there's always something new to discover about the animals we share our lives with.
Explore our range of toys, treats, and enrichment gear at DeservePetGo — because extraordinary pets deserve extraordinary care.