The reindeer is the only mammal that can see UV light.
17
The head of a jellyfish is called the "Bell."
6
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
It has been calculated that a single breath from a mature blue whale can inflate up to 2,000 balloons.
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