Dogs are beloved companions and members of our families, but how much do we really know about them? Here are 60 fun and fascinating facts about dogs that might surprise you!
Dogs Have Three Eyelids:
![](https://www.animalsaroundtheglobe.com/wp-content/uploads/2024/05/Depositphotos_317590124_XL-1200x800.jpg)
Dogs have an upper lid, a lower lid, and a third lid known as a nictitating membrane, or “haw,” which helps keep the eye moist and protected.
Dogs Can Smell Your Feelings:
![](https://www.animalsaroundtheglobe.com/wp-content/uploads/2024/05/Depositphotos_59548215_XL-1200x675.jpg)
Dogs can pick up on subtle changes in a person’s scent, which can help them understand how you’re feeling.
A Dog’s Nose Print is Unique:
![Old english sheep dog](https://www.animalsaroundtheglobe.com/wp-content/uploads/2024/03/1024px-Old_English_Sheep_Dog.jpg)
Just like human fingerprints, no two dogs’ nose prints are alike.
Dogs Have About 1,700 Taste Buds:
![soldier and dog](https://www.animalsaroundtheglobe.com/wp-content/uploads/2024/04/US_Navy_030302-N-5362A-003_Military_working_dog_Camp_Patriot_Kuwait.jpeg)
Humans have roughly 9,000, but dogs don’t mind — they rely more on their sense of smell.
Dogs Sweat Through Their Paw Pads:
![bloodhound](https://www.animalsaroundtheglobe.com/wp-content/uploads/2024/05/Depositphotos_73194709_L-1200x900.jpg)
Dogs primarily regulate their body temperature through panting, but they also sweat through the pads on their paws.
A Dog’s Sense of Smell is at Least 40x Better Than Humans:
![Bracco Italiano](https://www.animalsaroundtheglobe.com/wp-content/uploads/2024/03/Depositphotos_367657494_L-1200x800.jpg)
They have 300 million olfactory receptors in their noses, compared to about six million in humans.
Dogs Can Be Left or Right-Pawed:
![the most dog-friendly states](https://www.animalsaroundtheglobe.com/wp-content/uploads/2024/02/pexels-johann-1254140-1200x800.jpg)
Just like humans, dogs have a preference for using one paw over the other.
Dogs Have Hearing Four Times Better Than Humans:
![Old English Mastiff](https://www.animalsaroundtheglobe.com/wp-content/uploads/2024/01/Old-English-Mastiff-2-917x1024.jpg)
They can hear higher frequency sounds and detect sounds at much lower decibel levels than humans.
The Basenji Dog Doesn’t Bark:
![Basenji](https://www.animalsaroundtheglobe.com/wp-content/uploads/2024/02/marius-cern-0zauUjimKAk-unsplash-1200x800.jpg)
Instead, it makes a unique sound called a “baroo,” which is more like a yodel.
Dogs Have a ‘Sixth Sense’ for Weather:
![Endangered animals African wild dogs puppies in safari park in South Africa.](https://www.animalsaroundtheglobe.com/wp-content/uploads/2024/04/Depositphotos_394414694_XL-1200x800.jpg)
Dogs can sense changes in barometric pressure and static electricity, which means they can often detect a storm coming before it happens.
The Greyhound is the Fastest Dog:
![Italian Greyhounds](https://www.animalsaroundtheglobe.com/wp-content/uploads/2023/09/Depositphotos_49650487_L-1200x958.jpg)
Greyhounds can reach speeds of up to 45 miles per hour.
Dogs Curl Up to Protect Their Organs:
![Border Collie](https://www.animalsaroundtheglobe.com/wp-content/uploads/2024/01/image-105-1200x675.png)
This instinct comes from their wild ancestors who needed to protect vital organs from predators.
Dogs Can Learn Over 1,000 Words:
![](https://www.animalsaroundtheglobe.com/wp-content/uploads/2023/10/Depositphotos_129397250_XL-1-1200x800.jpg)
The Border Collie named Chaser knows over 1,000 words and can differentiate between objects by name.
The Newfoundland Dog is an Excellent Swimmer:
![military working dog](https://www.animalsaroundtheglobe.com/wp-content/uploads/2024/04/military-dog.jpg)
With webbed feet and a water-resistant coat, they were bred to help haul nets for fishermen and rescue drowning people.
Dogs Have a Sense of Time:
![horse dog painting](https://www.animalsaroundtheglobe.com/wp-content/uploads/2024/05/William_Henry_Davis_1786-1865_-_Sir_Henry_William_Paget_1st_Marquess_of_Anglesey_Shooting_Blackcock_on_Cannock_Chase_with_His_Dog_Nep_-_1175980_-_National_Trust.jpg)
They can predict future events, such as regular walk times, and can sense the passing of time.
The Beatles Recorded a Dog Whistle:
![Group Jack Russell Terrier Doggies. Four lsmall dogs sitting at home side by side on the couch. thaka11/ Depositphotos](https://www.animalsaroundtheglobe.com/wp-content/uploads/2024/01/Depositphotos_539348874_L-1200x600.jpg)
In the song “A Day in the Life,” the Beatles included a frequency only dogs can hear.
Dogs Can Sniff Out Medical Conditions:
![Sick Dog](https://www.animalsaroundtheglobe.com/wp-content/uploads/2024/04/Depositphotos_13721487_XL-1200x797.jpg)
Some dogs can detect cancer, diabetes, and seizures in humans.
The Saluki is the Oldest Dog Breed:
![Saluki](https://www.animalsaroundtheglobe.com/wp-content/uploads/2024/02/Depositphotos_383255948_L-1200x800.jpg)
They appear in ancient Egyptian tombs dating back to 2100 B.C.
Dogs Can Recognize Human Faces:
![Old English Mastiff](https://www.animalsaroundtheglobe.com/wp-content/uploads/2024/01/Old-English-Mastiff-1-1200x969.jpg)
Studies have shown that dogs can differentiate between familiar and unfamiliar human faces.
Dalmatian Puppies are Born Completely White:
![dalmatian dog](https://www.animalsaroundtheglobe.com/wp-content/uploads/2024/02/dalmatian-1020790_1280-1200x795.jpg)
Their distinctive spots develop as they grow older.
The Chow Chow and Shar-Pei Have Blue-Black Tongues:
![chow chow](https://www.animalsaroundtheglobe.com/wp-content/uploads/2023/04/alex-blajan-NtjvMw56E4A-unsplash-1200x801.jpg)
This unique trait sets them apart from other dog breeds.
Dogs Dream Like Humans:
![Mexican wolf](https://www.animalsaroundtheglobe.com/wp-content/uploads/2022/06/1024px-Mexican_wolf_lounging.jpg)
They go through similar stages of sleep, including REM, where dreams occur.
The Norwegian Lundehund Has Six Toes:
![10 Unusual Dog Breeds](https://www.animalsaroundtheglobe.com/wp-content/uploads/2023/06/Depositphotos_336334774_XL-1200x799.jpg)
This breed is equipped with extra toes and flexible joints to help it climb rocky cliffs.
Dogs Can Sense Earthquakes:
![](https://www.animalsaroundtheglobe.com/wp-content/uploads/2024/01/Depositphotos_24088719_XL.jpg)
Dogs have been known to detect earthquakes before they happen, thanks to their acute senses.
Puppies Are Born Blind and Deaf:
![Australian Shepherd](https://www.animalsaroundtheglobe.com/wp-content/uploads/2024/04/Depositphotos_538284276_L-1200x800.jpg)
They rely on their mother and littermates for the first few weeks of life.
Dogs Can Smell Disease:
![pony dog painting](https://www.animalsaroundtheglobe.com/wp-content/uploads/2024/05/1235px-Edwin_W._Cooper_of_Beccles_-_A_Sportsman_with_Shooting_Pony_and_Gun_Dogs_-_Google_Art_Project-1200x995.jpg)
Research has shown that dogs can detect certain diseases like cancer by smelling a person’s breath or skin.
The Basenji is Known as the “Barkless Dog”:
![](https://www.animalsaroundtheglobe.com/wp-content/uploads/2023/06/edvinas-bruzas-Jj48Cz5e0Eg-unsplash-1.jpg)
Instead of barking, Basenjis make a unique yodel-like sound called a “baroo.”
Dogs Can Read Human Body Language:
![Dog Waiting to be Adopted](https://www.animalsaroundtheglobe.com/wp-content/uploads/2024/04/oleksandra-bardash-FQOxI6g1pBI-unsplash-683x1024.jpg)
They are adept at picking up on our gestures and body language to understand what we want.
A Dog’s Whiskers Help Them See in the Dark:
![Separation Anxiety in Dogs](https://www.animalsaroundtheglobe.com/wp-content/uploads/2023/10/pexels-chiper-catalin-4315700-1200x800.jpg)
Whiskers can detect minute changes in air currents, helping dogs sense nearby objects and movements.
Dogs Can See in Color:
![Dog Cries Every Time He's Touched](https://www.animalsaroundtheglobe.com/wp-content/uploads/2023/08/Depositphotos_77389014_XL-1200x852.jpg)
While not as vivid as human vision, dogs can see shades of blue and yellow.
Dogs Use Their Tails to Communicate:
![](https://www.animalsaroundtheglobe.com/wp-content/uploads/2024/04/Depositphotos_79970976_XL-1200x910.jpg)
Different tail wags can convey a range of emotions, from happiness to anxiety.
Dogs Have a “Second Nose”:
![German Shepard laying on grass](https://www.animalsaroundtheglobe.com/wp-content/uploads/2024/02/German-Shepard-laying-on-grass-1200x800.jpg)
Known as the vomeronasal organ or Jacobson’s organ, it helps them detect pheromones.
Dogs Can Help with Mental Health:
![Yorkshire Terrier](https://www.animalsaroundtheglobe.com/wp-content/uploads/2022/07/1024px-Yorkshire_terrier_dog_04.jpg)
Therapy dogs are used to help people cope with stress, anxiety, and other mental health issues.
Dogs Have Been Domesticated for Over 15,000 Years:
![Wolves in Yellowstone National Park.](https://www.animalsaroundtheglobe.com/wp-content/uploads/2024/02/Wolves_at_Yellowstone_National_Park_0c070a89-0ad7-48be-8be7-2f848786816f-1200x818.jpg)
They are believed to be the first domesticated animals.
The Irish Wolfhound is the Tallest Dog Breed:
![Dachshund Vs. Irish Wolfhound](https://www.animalsaroundtheglobe.com/wp-content/uploads/2023/08/Dachshund-Vs.-Irish-Wolfhound-1200x804.jpg)
They can stand up to 7 feet tall on their hind legs.
Dogs Have an Innate Pack Mentality:
![wolfs hunt in packs](https://www.animalsaroundtheglobe.com/wp-content/uploads/2020/07/Canis_lupus_Kopf-1200x800.jpg)
This makes them highly social animals that thrive on companionship.
A Dog’s Nose is Wet to Help Absorb Scent Chemicals:
![dog nose](https://www.animalsaroundtheglobe.com/wp-content/uploads/2022/12/laula-co-sICtHYZzt_s-unsplash-800x533.jpg)
The moisture on their nose helps them smell better.
Dogs Can Understand Human Emotions:
![German Shepard Pretends To Be Asleep To Get Out Of Bath Time](https://www.animalsaroundtheglobe.com/wp-content/uploads/2024/04/Screenshot-2024-04-18-at-08.01.10.png)
They can pick up on emotional cues through our voices, body language, and facial expressions.
The Bloodhound’s Sense of Smell is Admissible in Court:
![bloodhound](https://www.animalsaroundtheglobe.com/wp-content/uploads/2024/05/Depositphotos_73194709_L-1200x900.jpg)
Their tracking skills are so accurate that they’ve been used in court as evidence.
Dogs Have Been to Space:
![](https://www.animalsaroundtheglobe.com/wp-content/uploads/2023/05/Depositphotos_507946834_L-1200x800.jpg)
The first living being in space was a dog named Laika, sent by the Soviet Union in 1957.
Dogs Can Be Trained to Detect Bed Bugs:
![bed bug bites](https://www.animalsaroundtheglobe.com/wp-content/uploads/2023/03/Depositphotos_613743592_L-1200x800.jpg)
Their acute sense of smell makes them perfect for this job.
Dogs Can Get Jealous:
![Fawn dog](https://www.animalsaroundtheglobe.com/wp-content/uploads/2022/04/Fawn_and_white_Welsh_Corgi_puppy_standing_on_rear_legs_and_sticking_out_the_tongue-684x1024.jpg)
Studies show that dogs can feel jealousy when their owners show affection to other dogs.
The Labrador Retriever is the Most Popular Dog Breed:
![Labrador Retriever](https://www.animalsaroundtheglobe.com/wp-content/uploads/2024/02/1620px-Black_Labrador_Retriever_-_Male_IMG_3323-1200x800.jpg)
They’ve held this title for many years due to their friendly and outgoing nature.
Dogs Can Smell Fear:
![Golden Retriever](https://www.animalsaroundtheglobe.com/wp-content/uploads/2024/04/Depositphotos_58089041_XL-1200x750.jpg)
They can detect the scent of adrenaline, which is released when a person is scared.
Dogs Can Be Heroes:
![border collie plays jenga](https://www.animalsaroundtheglobe.com/wp-content/uploads/2023/08/anna-dudkova-urs_y9NwFcc-unsplash-1200x675.jpg)
There are countless stories of dogs saving human lives through their bravery and loyalty.
The Great Dane is the Tallest Dog Ever Recorded:
![great dane](https://www.animalsaroundtheglobe.com/wp-content/uploads/2024/01/Depositphotos_350774642_XL-1200x796.jpg)
A Great Dane named Zeus held the record, standing at 44 inches tall at the shoulder.
Dogs Can Track Time by Scent:
![golden retriever greeting a beach](https://www.animalsaroundtheglobe.com/wp-content/uploads/2024/02/Depositphotos_10350452_L-1200x800.jpg)
They can tell how long you’ve been gone by the strength of your scent.
A Dog’s Hearing is 10 Times More Accurate Than Humans:
![German Shepard](https://www.animalsaroundtheglobe.com/wp-content/uploads/2024/02/German-Shepard-1200x800.jpg)
They can hear sounds at much higher frequencies.
Dogs Have Been Used in Warfare:
![Military dogs](https://www.animalsaroundtheglobe.com/wp-content/uploads/2024/03/Depositphotos_668073286_L-1200x800.jpg)
They’ve served as messengers, scouts, and even in search and rescue operations.
Dogs Can Recognize Over 250 Words and Gestures:
![pet dog and owner via unsplash](https://www.animalsaroundtheglobe.com/wp-content/uploads/2024/04/pet-dog-and-owner-via-unsplash.jpg)
They have the intelligence of a two-year-old child.
The Dalmatian is Born Without Spots:
![dog](https://www.animalsaroundtheglobe.com/wp-content/uploads/2023/02/Depositphotos_133247196_S.jpg)
They develop their spots as they mature.
Dogs Have a Variety of Barks:
![Group Jack Russell Terrier Doggies. Four lsmall dogs sitting at home side by side on the couch. thaka11/ Depositphotos](https://www.animalsaroundtheglobe.com/wp-content/uploads/2024/01/Depositphotos_539348874_L-1200x600.jpg)
Each bark can mean something different, from alerting to a threat to calling for attention.
Dogs Can Read Human Intentions:
![dog](https://www.animalsaroundtheglobe.com/wp-content/uploads/2024/04/Depositphotos_4604408_L-1200x800.jpg)
They are adept at understanding our intentions, even when we don’t speak.
Dogs Have a Dominant Paw:
![Separation Anxiety in Dogs](https://www.animalsaroundtheglobe.com/wp-content/uploads/2023/10/pexels-claudio-olivares-medina-4423596-1200x800.jpg)
Just like humans, dogs can be left- or right-pawed.
A Dog’s Mouth is Not Cleaner Than a Human’s:
![Lancashire Heeler](https://www.animalsaroundtheglobe.com/wp-content/uploads/2024/03/Depositphotos_580263966_L-1200x800.jpg)
This is a myth; both contain bacteria that are unique to each species.
The Australian Shepherd Isn’t from Australia:
![Australian Shepherd](https://www.animalsaroundtheglobe.com/wp-content/uploads/2024/04/Depositphotos_538284276_L-1200x800.jpg)
This breed was actually developed in the United States.
Dogs Can Understand Human Pointing:
![rottweiler](https://www.animalsaroundtheglobe.com/wp-content/uploads/2024/03/Depositphotos_204094976_L-1200x800.jpg)
They are one of the few animals that can understand the gesture of pointing.
Dogs Have a Social Hierarchy:
![](https://www.animalsaroundtheglobe.com/wp-content/uploads/2024/04/Depositphotos_116563534_XL-1200x801.jpg)
They establish a social hierarchy through various behaviors and signals.
A Dog’s Fur Can Change Color with Age:
![golden retriever](https://www.animalsaroundtheglobe.com/wp-content/uploads/2024/01/dog-4390885_1280-1200x760.jpg)
Just like humans, dogs can go gray or have their fur color change as they age.
Dogs Can Sense Human Diseases:
![Incident That Claimed an Innocent Dog's Life](https://www.animalsaroundtheglobe.com/wp-content/uploads/2023/06/Depositphotos_42829881_XL-1200x880.jpg)
Some trained dogs can detect diseases like cancer and diabetes by smelling changes in a person’s body chemistry.
These fun facts about dogs reveal just how fascinating and complex our canine companions are. From their incredible senses to their unique behaviors, dogs continue to amaze and enrich our lives every day.
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