Dolphins have names for one another.
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A couple had their wedding rings engraved with a waveform of their own voices saying "I do."
10
One litter of kittens can be produced by more than one father.
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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
A group of kittens is called a "kindle".
10
When cats are happy, they may squeeze their eyes shut.
10
Sandy, an African Penguin, has been in 'love' with her keeper at the Nuremburg zoo since 1996.
34