20 INTERESTING FACTS ABOUT DOGS

1. Dogs do not perceive the notion of time.
2. Dogs can detect smells emitted by objects 15 meters underground.
3. Dogs can actually see in colors, just not as vividly as humans.
4. Dogs can be trained to detect an impending epileptic seizure.
5. Dogs can, on average, perceive only 10 sounds.
6. Newborn puppies sleep more than 90% of the day in their first weeks of life.
7. Dogs and wolves can interbreed, and the resulting puppies will be healthy and fertile.
8. Dogs have been pets for over 12 thousand years.
9. Dogs live on average 15 years.
10. Dogs sweat only through their tongues.
11. The largest dog breed is the Irish Wolfhound.
12. The smallest dog breed is the Chihuahua.
13. The oldest known breed is the Saluki (originating from Egypt).
14. The most intelligent dogs are the Border Collie, Poodle, and Golden Retriever.
15. The "dumbest" dog is believed to be the Afghan Hound.
16. The oldest dog that ever lived was a Queensland "Heeler" named Bluey – he lived 29 years and 5 months.
17. The fastest dog, the greyhound, can reach speeds of up to 67 km/hour.
18. The smallest dog breeds used for hunting are Bassets. Their bodies are very close to the ground due to their short legs, which makes it easier for them to penetrate and squeeze through tunnels.
19. The oldest dog fossils date back to 10,000 BC.
20. Chocolate contains a substance called theobromine (similar to caffeine) which can kill dogs or make them very seriously ill.

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