When cats are happy, they may squeeze their eyes shut.
10
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
Raj from the Big Bang Theory is married to Miss India.
11
When dragonflies mate, their tails form a love heart.
22
One litter of kittens can be produced by more than one father.
57