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20 Crazy Dog Facts

Here are 20 fun and crazy dog facts!


  1. Dogs’ noses are so sensitive, they can detect heat and thermal radiation, almost like night-vision.
  2. The Basenji is the only dog breed that doesn’t bark — instead, it makes a yodel-like sound.
  3. A Greyhound can beat a Cheetah in a long-distance race because of their endurance.
  4. Dogs’ sense of smell is estimated to be 10,000 to 100,000 times better than humans.
  5. Puppies are born deaf and blind — their senses develop after about two weeks.
  6. A dog’s sense of time is so keen, they can often predict when their owner will come home.
  7. Some dogs can learn over 1,000 words and commands — Border Collies are the smartest in this way.
  8. Dogs curl up in a ball when sleeping as an instinct to protect their organs from predators.
  9. The Newfoundland breed has webbed feet, making them excellent natural swimmers.
  10. Dogs can understand human emotions by smell — they can detect stress, sadness, or happiness.
  11. The world’s tallest dog was a Great Dane named Zeus, standing 44 inches tall at the shoulder.
  12. Dogs have three eyelids — the third one helps keep their eyes moist and protected.
  13. The shape of a dog’s ear canal makes them prone to ear infections, unlike humans.
  14. Dogs can be left-pawed or right-pawed, just like people being left- or right-handed.
  15. Ancient Chinese royals kept Pekingese dogs in their sleeves as companions and protectors.
  16. The Labrador Retriever has been America’s most popular dog breed for over 30 years.
  17. Dogs’ noses are wet because moisture helps them absorb scent chemicals better.
  18. Some police dogs are trained to sniff out digital devices, like hard drives or USB sticks.
  19. The world’s oldest dog lived to be 31 years old — an Australian Cattle Dog named Bluey.
  20. Dogs can smell disease in humans, including cancer, diabetes, and even COVID-19.