Cat families usually play best in even numbers. Cats and kittens should be acquired in pairs whenever possible!
156
More than 90% of shark attack victims survive.
41
Some ribbon worms will eat themselves if they can't find any food.
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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
Greyhounds have the best eyesight of any breed of dog.
28
Camels and llamas can cross breed. The offspring is called a ‘Cama’.
10
A killer whale's heart beats 30 times a minute under water, 60 times a minute on the surface.
30
The oldest pig in the world lived to the age of 68.
65