Dog Facts 8

•  18. The smallest dog breed in the world is, you guessed it, a Chihuahua. Although easy to guess, Chihuahuas are the smallest dog breed in the world, but did you know that they can weigh as little as 1 kg? They are incredibly tiny compared to the largest dog breed in the world, the Great Dane, who can weigh around 90 kg. 
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• 19. A dog’s nose print is as unique as a human fingerprint. If you thought a dog’s nose pattern is irrelevant, think again! Given their uniqueness, countries such as Finland use nose prints to identify dogs instead of microchips. 
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• 20. The Saluki is the fastest dog breed in the world. Want a dog that can keep up with Olympic-level runners? The Saluki can reach a speed of up to 43 mph, followed by the Greyhound breed, with a top speed of up to 40 mph. Take that, Usain Bolt! 
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• 21. Laika was not the only dog used in space missions owners running after a greyhound
• Two dogs, named Belka and Strelka, were sent to orbit the Earth in 1960 before being safely returned home after 27 hours. They were the first higher living creatures to have survived a trip to outer space. 
• 22. Dogs have a natural instinct to dig. Dogs seem to dig digging (get it?) a lot but they don’t just do it for the fun of it. In fact, digging is a natural instinct for them. They do it to create a cool place to lay down in the summer to escape the heath or a warm place to sleep in the winter. They also use it for burying food for later. Smart of them, isn’t it? 
• 23. Some dogs are incredibly strong. The Alaskan Malamute is one of the strongest dog breeds in the world. Adult males can pull up to 12 times their own body weight, which is why they are often used in sled racing and other pulling competitions.