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.
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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
The two oldest cats on record lived to 38 and 34 years old, both were owned by the same owner and lived off a diet of bacon, eggs, broccoli and coffee.
12
A domestic cat can sprint at about 31 miles per hour.
274
It has been calculated that a single breath from a mature blue whale can inflate up to 2,000 balloons.
492
The Platypus used to be considered a myth like Bigfoot and the Yeti.
18