Dog is a domesticated and loyal animal found almost everywhere in the world. According to a report, the number of dogs in the whole world is around 400 to 500 million. The smallest dog in the world is the Chihuahua, weighing 2-3 kg, and the largest dog in the world is the Great Dane, weighing 70-90 kg. You will get to know other such interesting facts in this blog. Facts about dogs will help you learn more about dogs.

Facts About Dog

Here are the facts about dogs for students according to research, studies, and reports:

  • There are approximately 300 to 400 dog breeds around the world.
  • Dogs’ ears are more sensitive than human ears, allowing them to hear up to 4 times better than humans.
  • Humans’ favorite chocolate is harmful for dogs. Let us tell you that chocolate contains theobromine, which dogs cannot digest properly.
  • In general, most dogs live between 10 and 14 years. However some dogs can live up to 20 years. The lifespan of dogs depends on their breed, diet, exercise and health care.
  • The oldest living dog was Bluey. This was an Australian dog who lived for 29 years and 5 months.
  • According to the Guinness Book of World Records, the Saluki dog breed is the oldest breed.
  • The first dog to go to space was Laika. Laika was a 3-year-old female dog that was sent into space by the Soviet Union on November 3, 1957, aboard a spacecraft named Sputnik 2.
  • There are 13 types of blood groups in dogs.
  • Small breed dogs live longer than large breed dogs.
  • The world’s smallest dog breed is Chihuahua.
  • The largest dog breeds in the world are the Great Dane, English Mastiff, Saint Bernard and Newfoundland dogs.
  • Wolves are considered descendants of dogs because about 99% of dog DNA comes from wolves.
  • Dogs always remember their owners and are always loyal to them.
  • Dogs have brains similar to chimpanzees and dolphins.
  • The size of a dog’s brain is 10 times smaller than the human brain.
  • The smelling ability of dogs is about 10000 times more than that of humans.
  • Dog puppies are blind and deaf at birth.
  • A puppy has only 28 teeth at birth while an adult dog has 42 teeth.
  • Like human fingerprints, every dog’s nose print is also different.
  • Greyhound breed dog can run at a maximum speed of 72 kilometers per hour. This is the fastest running dog in the world.
  • Dogs have three eyelids, one of which is to keep their eyes moist and protected.
  • Dogs were used to send messages during World War I.
  • Like humans, dogs are also left and right handed.
  • On an average, a female dog can give birth to four to six litters at a time.
  • Some species of dogs can even smell dead bodies lying under water.