During World War 1, starving wolves amassed in such great numbers that Germans and Russians had a temporary cease fire to fight off the wolf attacks.
45
Leonardo Da Vinci loved animals so much that he used to buy caged animals at the market just to set them free.
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Denmark has twice as many pigs as there are people.
66
Cats recognise the voice of their owner, but never evolved to care.
22
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