The cat brain weighs about 30g.
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It has been calculated that a single breath from a mature blue whale can inflate up to 2,000 balloons.
492
Travis was a chimpanzee who socialized with humans since birth. He could log onto a computer to look at pictures, watch TV using a remote control, brush his teeth, feed hay to his owner's horses, water plants, and learned the schedule of passing ice cream trucks.
11
Dire wolves actually existed, living up to 10,000 years ago before going extinct.
10
Sandy, an African Penguin, has been in 'love' with her keeper at the Nuremburg zoo since 1996.
34