One reason that kittens sleep so much is because a growth hormone is released only during sleep.
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Female kangaroos have three vaginas.
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The oldest recorded elephant lived for 82 years.
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When a male gentoo penguin "falls in love" with a female penguin, he searches the entire beach to find the perfect pebble to present to her.
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Camels and llamas can cross breed. The offspring is called a ‘Cama’.
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Termites are being researched as a possible renewable energy source as they can produce up to 2 litres of hydrogen from ingesting a single sheet of paper, making them one of the planet’s most efficient bioreactors.
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