A chameleon's tongue is twice the length of its body.
29
Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
14
The cat brain weighs about 30g.
167
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
Unsinkable Sam (nickname of a German ship's cat) who served on 3 warships, one German, two British, all sank in action. The cat survived each sinking, floating away on wooden planks to rescue.
19
Gorillas can catch human colds and other illnesses.
205
When you shave a guinea pig it looks like a little hippo.
19