101 fun facts about dogs to delight and fascinate animal lovers

They say dogs are humans’ best buds, but how much do we really know about our furry four-legged friends? From the one breed that doesn’t bark to the real (adorable) reason pups love to curl up in a ball shape, here are 101 fun facts about dogs and puppies that will only make you love pooches even more.

Fun facts about puppies

Yes, they’re irresistibly adorable, but puppies pack some cool facts, too!

1. Puppies love games such as hide and seek! Hide and call their name so they can try to find you.
2. Puppies grow to half their body weight in the first four to five months!

3. Puppies then take a year or more to gain the other half of their body weight.

4. Puppies can sleep 18 to 20 hours a day during that rapid body growth phase.
5. Tired puppies get cranky just like little kids. If you have a fussy puppy, try nap time.
6. Puppies have 28 teeth and adult dogs have 42.

7. The best age to bring a puppy home is 6 to 12-to-14 weeks.
8. New puppies have heat sensors in their noses to help find their moms while their eyes and ears are closed.
9. Puppies are blind, deaf and toothless when born.
10. The average number of puppies in a litter is about five.

Fun facts about dogs

11. Dogs can be taught to count and solve simple math problems.
12. With love and a little patience, dogs can learn to walk backwards.
13. Revolutionary War soldiers sometimes brought their dogs with them into battle. Such was the case with George Washington and his dog, Sweet Lips.
14. Dogs sweat through the pads of their feet.

15. Dogs have three eyelids, including one to keep their eyes moist and protected.
16. Dogs are pack animals — they don’t enjoy being alone.

17. In ancient China, people kept warm by putting dogs up their sleeves.

18. Dogs who have been spayed or neutered live longer than intact dogs.
19. Petting a dog can lower your blood pressure.

20. Stray dogs in Moscow have learned to ride the subway to find food.

21. Over half of dog owners include their dogs in annual holiday photos.

22. Although it was once illegal to keep dogs as pets in Iceland’s capital city, the laws have been relaxed.

23. President Lyndon Johnson’s Beagles were named Him and Her.

24. One unspayed female dog, her mate and their puppies can produce 67,000 puppies in six years.
25. Bingo is the name of the dog on the box of Cracker Jacks.

26. In 1969, Lassie was the first animal inducted into the Animal Hall of Fame.
27. Dogs are direct descendants of wolves.
28. Dogs curl up to keep themselves warm and protect vital organs.

29. A dog’s sense of smell is 10,000 times stronger than a human’s.
30. Dogs can get jealous when their humans display affection toward someone or something else.

31. Dogs can be trained to detect cancer and other diseases in humans.

32. A dog’s whiskers are used as sensing devices.

33. Three of the 12 dogs on the Titanic survived.

34. There are about 10,000 dogs everyday in Amazon’s headquarters in Seattle.

35. The U.S. has the highest dog population per capita in the world.

36. Rin Tin Tin was the first Hollywood dog star.

37. A dog’s average body temperature is between 101 to 102.5 degrees.

38. Many foot disorders in dogs are caused by long toenails.

39. The Boy Scouts and Girl Scouts both offer merit badges in dog care.
40. National Geographic’s Dr. Brady Barr measured a dog’s average bite force at 320 pounds of pressure per square inch.

41. Dogs are mentioned in the Bible more than 35 times.

42. Obesity is the top preventable health problem among dogs.
43. Dogs have twice as many muscles to move their ears as humans, if you’re looking for fun facts about dogs!

44. A dog pregnancy is between eight and nine weeks.

45. The largest litter ever documented was 24 puppies, born via Cesarean to a Neapolitan Mastiff named Tia.
46. President Theodore Roosevelt’s Bull Terrier Pete ripped the pants off French Ambassador Jules Jusserand.
47. Paul McCartney of the Beatles recorded a high-pitched whistle at the end of “A Day in the Life” for his dog.

48. Bella, Luna, Lucy, Milo and Max are among the most popular dog names.

49. Spiked dog collars were used to protect dogs’ throats from wolf attacks in ancient Greece.

50. Walt Disney’s family dog — named Sunnee — was the inspiration behind “Lady and the Tramp.”

51. Teams of dogs compete for the fastest time without errors in Flyball races.
52. Dogs sometimes appear to smile — much like humans — with open mouth grinning. This may indicate a relaxed, submissive state.
53. Some dogs can learn more than 1,000 words.
54. Big, happy “helicopter” tail wagging is one sign of a really nice dog. 
55. Upright, stiff, rapid tail movement is not wagging or “friendly” but indicates a dog who’s rather excited and focused. 
56. Perky-eared dogs hear sounds better than floppy-eared dogs.
57. There are about 400 million dogs in the world.
58. Dogs have dreams. 
59. According to a study shared by Cornell University, dogs were domesticated between 9,000 and 34,000 years ago. 
60. Thomas Jefferson helped enact a dog tax in Virginia, because he was annoyed that dogs were killing his sheep. 
61. Stroking dogs and gazing into their eyes releases the “feel good” hormone oxytocin for both people and dogs. 
62. More than half of all U.S. presidents have owned dogs. 
63. President Calvin Coolidge owned at least a dozen dogs. 
64. Just like human fingerprints, no two dogs’ nose prints are alike.
65. A Russian dog named Laika was the first animal in space, traveling around Earth in 1957. 
66. Dogs can see best at dawn and dusk. 
67. About 69 million households in the U.S. have a dog. 
68. There are nearly 3,500 brick and mortar animal shelters in the U.S.
69. Therapy dogs, who bring healing to individuals and families by visiting hospitals, schools or retirement homes, differ from service dogs who assist individuals who have disabilities.
70. A dog’s sense of smell is reduced by up to 40 percent when they’re overheated and panting. 
71. Dogs have 1,700 taste buds, compared to humans’ 9,000.  
72. Forty-five percent of U.S. dogs sleep in their owner’s beds.

Fun facts about dog breeds

Here, cool facts about your favorite dog breeds.

73. The fastest breed, the Greyhound, can run up to 46 miles per hour.

74. The Labrador Retriever is the most popular breed, according to the American Kennel Club.

75. In general, smaller breeds live longer than larger breeds.

76. The world’s oldest breed, the Saluki, originated in Egypt around 329 B.C.

77. The heaviest breed, the Mastiff, weighs about 200 pounds.

78. At about six inches, the Chihuahua is the shortest breed.

79. Irish Wolfhounds, the tallest breed, are 30 to 35 inches tall.  
80. Dogs who bark the most: Beagles, Chihuahuas, Miniature Schnauzers, Yorkshire Terriers, Pomeranians and West Highland White Terriers.
81. Bichons, Portuguese Water Dogs, Kerry Blue Terriers, Maltese and Poodles are among some of the best choices for people with allergies since they shed less than other breeds.
82. The Newfoundland has a water-resistant coat and webbed feet. 
83. As Disney’s Cruella De Vil was aware, Dalmatian puppies are born pure white and develop spots as they grow older.

84. Chow Chows are born with pink tongues, which turn blue-black at eight to 10 weeks.

85. A bloodhound named Tigger holds the record for the longest ears, each measuring more than 13 inches.

86. The Alaskan Malamute can withstand temperatures as low as 70 degrees below zero.

87. The Basenji is the only barkless dog.

88. The Norwegian Lundehund is the only dog with six toes on each foot.

89. The Bracco Italiano is the newest dog breed to be recognized by the American Kennel Club in 2022.

90. A German Shepherd named Orient accompanied her blind owner Bill Irwin as he became the first blind person to through-hike the 2,100-mile Appalachian Trail in 1990.

91. Chihuahuas are born with soft spots in their skulls, just like human babies.

92. Mastiffs wore armor and were sent after mounted knights in Roman times.

93. Dachshunds were originally bred to fight badgers.

94. The Border Collie, Poodle and Golden Retriever are considered the world’s smartest dog breeds.

95. Smaller breeds of dogs mature faster than larger breeds.

96. The Chihuahua was named for the state in northwestern Mexico where they were discovered.

97. Pit bulls have been given a bad rap. BADRAP was started in the San Francisco Bay area on behalf of “pit bulls and their people” and was ranked nationally as a No. 1 high-impact nonprofit for animal welfare.

98. The American Water Spaniel was the first hunting breed developed to retrieve from boats.
99. Rin Tin Tin, the famous German Shepherd Dog, was nominated for an Academy Award.
100. The Australian Shepherd is actually an American breed.
101. The Bloodhound’s sense of smell is so accurate that the results of its tracking can be used as evidence in a court of law.