Sandy, an African Penguin, has been in 'love' with her keeper at the Nuremburg zoo since 1996.
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Vampire bats adopt orphans, and are one of the few mammals known to risk their own lives to share food with less fortunate roost-mates.
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Dolphins have names for one another.
18
Jellyfish as a species are actually older than dinosaurs and sharks.
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The Lion's Mane Jellyfish is the largest jellyfish in the world. They have been swimming in arctic waters since before the dinosaurs (over 650 million years ago).
12
It has been calculated that a single breath from a mature blue whale can inflate up to 2,000 balloons.
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