A puppy is born blind, deaf, and toothless.
16
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
George was the world's largest dog who weighed 233 pounds, stood at 43 inches tall from paw to shoulder, and ate 180 pounds of food a month.
7
Dogs can make about 100 different facial expressions.
18
Dogs have four toes on their hind feet, and five on their front feet.
179
Cats and dogs can hear ultrasound.
350