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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A domestic cat can sprint at about 31 miles per hour.
274
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
Blue whale arteries are large enough for humans to swim through and their hearts are the size of cars.
12
Queen ants have one of the longest life-spans of any known insect - typically up to 30 years. Western harvester ant queens can live up to 40 years!
2
When you shave a guinea pig it looks like a little hippo.
19