Sandy, an African Penguin, has been in 'love' with her keeper at the Nuremburg zoo since 1996.
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Dogs sometimes fake being sick to get attention.
26
Cats recognise the voice of their owner, but never evolved to care.
22
Whales and dolphins can't taste anything other than salt.
11
Cats are one of the only animals to domesticate themselves and approach humans on their own terms.
20
There's a lizard known as the 'Jesus Lizard' that can run across water.
11
Allegedly, Chrysippus, the Greek philosopher, died of laughter after getting his donkey drunk and watching it try to eat figs.
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