Jellyfish as a species are actually older than dinosaurs and sharks.
383
It has been calculated that a single breath from a mature blue whale can inflate up to 2,000 balloons.
492
All pandas are ‘owned’ by China. They rent them out to zoos for $1mil/year each with minimum of 10 years.
16
One reason that kittens sleep so much is because a growth hormone is released only during sleep.
212
In Australia, there are spiders big enough to eat snakes.
20
A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
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