Leonardo Da Vinci loved animals so much that he used to buy caged animals at the market just to set them free.
57
When you shave a guinea pig it looks like a little hippo.
19
There's a competition in Sweden called Kaninhoppning, or rabbit show jumping.
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Unsinkable Sam (nickname of a German ship's cat) who served on 3 warships, one German, two British, all sank in action. The cat survived each sinking, floating away on wooden planks to rescue.
19
Alligators can live up to 100 years.
337
When a male gentoo penguin "falls in love" with a female penguin, he searches the entire beach to find the perfect pebble to present to her.
25
Christmas Island has bridges for crabs to stop them getting run over during the mass migration.
9
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