From having over 150 different breeds and running at an average speed of 19 miles per hour, Dogs are the most impressive and lovely animals. Learn other Dog Facts in this list we gathered for you.
1. The scientific name of the dog is Canis lupus familiaris.
2. Dogs are the oldest known domesticated animals.
3. Dogs belong to the canine family, which contains: jackals, coyotes, dogs, foxes, and wolves.

4. Dogs have three eyelids.
5. Dogs have sweat glands in between their paws.
6. Pear and Apple seeds contain arsenic, which may be deadly to dogs.

7. The Norwegian Lundehund breed has six toes on each foot.
8. Shoulder blades are unattached to the rest of their skeleton, which allows them better running.
9. The most dogs ever owned by one person has been 5,000 Mastiffs owned by Kublai Khan.

10. Labradors are the most popular breed in the United States.
11. The most popular names for male dogs are Jake and Max and for female dogs are Molly and Maggie.
12. Puppies can sleep 18 to 20 hours a day for rapid growth.

13. Alexander the Great named a city Peritas in memory of his dog.
14. A puppy is born blind, deaf, and toothless.
15. The fastest breed, the Greyhound, can run up to 44 miles per hour.

16. Dogs are omnivores – they eat grains, meat, and vegetables.
17. Irish Wolfhound is the tallest dog breed, which is 30 to 35 inches tall.
18. Laika, a Russian dog was the first animal who went in space in 1957.

19. Rin Tin Tin was the first Hollywood dog star.
20. It costs almost $10,000 to train a federally certified rescue and search dog.
21. The Basenji is the world’s only barkless dog.

22. The oldest known dog bones were found in Asia.
23. The government of German, trained the first dogs for war-blinded soldiers, at the end of WWI.
24. The smallest dog ever recorded was a Yorkshire Terrier. It was 2.5″ tall and weighed only 4 ounces.

25. Puppies have 28 teeth and adult dogs have 42 teeth.
26. Dogs chase their tails for a variety of reasons: instinct, curiosity, anxiety, predatory exercise.
27. Dog eyes contain a special membrane, called the tapetum lucidum, which permits them to see in the dark.

28. A normal dog temperature is between 101 & 102.5 degrees Fahrenheit.
29. There are over 400 million dogs in the world.
30. The U.S. has the highest dog population in the world.

31. Dog nose prints are as unique as human fingerprints.
32. Zorba is the biggest dog ever recorded, which weighs 343 pounds.
33. Dogs can smell about 1,000-10,000 times better than the human being.

34. The Basenji and Akbash Dog are the quietest dog breed.
35. The world’s oldest breed is the Saluki.
36. Dogs like sweets a lot more than cats.

37. German Shepherds dog breed bites the most.
38. Chow Chows are born with pink tongues, which turn blue-black at 8 to 10 weeks.
39. The Collie and Beagle are the nosiest dogs.
