Cats and dogs can hear ultrasound.
350
Nervous dogs wag their tails to the left, and happy dogs to the right (from the dog’s point of view) – and fellow canines pick up on this lop-sided tail language.
10
A dog's naked behind leaves absolutely no bacteria when pressed against carpet.
250
Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
14
Dogs have four toes on their hind feet, and five on their front feet.
179
Dogs can be trained to identify the scent of lung cancer long before symptoms develop.
190
Dogs sometimes fake being sick to get attention.
26