Dogs have four toes on their hind feet, and five on their front feet.
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The most expensive dog in the world is the Tibetan Mastiff; worth $1.5 million.
2
Dogs have been man's pet for over 14,000 years.
224
Two dogs were among the Titanic survivors.
262
Dogs can be trained to identify the scent of lung cancer long before symptoms develop.
190
Meysi is one of the world's smallest dogs, measuring in at just 7cm tall, 12cm long, and weighing a meagre 250 grams (only slightly heavier than a hamster!)
11
A puppy is born blind, deaf, and toothless.
16