1: Dogs are descendants of wolves and have been domesticated for thousands of years.

2: Dogs have an incredible sense of smell, with some breeds being able to detect scents miles away.

3: The Basenji is the only dog breed that doesn't bark, using a unique yodel-like sound instead.

4: Dogs have three eyelids, with the third lid, called the nictitating membrane, helping keep their eyes moist.

5: A dog's sense of hearing is four times better than a human's, allowing them to hear high-pitched sounds.

6: Dogs have about 1,700 taste buds, while humans have around 9,000, making them less picky eaters.

7: The world's oldest dog breed is the Saluki, dating back to 329 B.C. in ancient Egypt.

8: Dogs have a unique paw preference, similar to how humans are left or right-handed.

9: Dogs experience dreams, just like humans, with researchers believing they dream about familiar activities.

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