A dork is a whale's penis.
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The largest breed of rabbit is the Flemish Giant.
65
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
A koi fish, named "Hanako", was owned by several individuals over many years and lived to be 226 years old, dying in 1977.
6
Blue whale arteries are large enough for humans to swim through and their hearts are the size of cars.
12
Cats recognise the voice of their owner, but never evolved to care.
22
A 42-foot sperm whale has about 7 tons of oil in it.
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