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
In order to enhance the taste, Japanese macaque wash their food in salt water before they eat. They also make snowballs for fun!
7
When cats are happy, they may squeeze their eyes shut.
10
Only 3% of bird species have penises.
0
The octopus does not have a blind spot.
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Blue whale arteries are large enough for humans to swim through and their hearts are the size of cars.
12
The largest earthworm on record was found in South Africa and measured 22 feet.
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