Dogs can make about 100 different facial expressions.
18
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
Service dogs are trained to know when they are on duty. When their harness is on, they know they are at work. When you take it off they instantly become playful and energetic.
11
Dogs sometimes fake being sick to get attention.
26
A dog's naked behind leaves absolutely no bacteria when pressed against carpet.
250