A cat rubs against people not only to be affectionate but also to mark out its territory with scent glands around its face. The tail area and paws also carry the cat's scent.
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Camels and llamas can cross breed. The offspring is called a ‘Cama’.
10
It has been calculated that a single breath from a mature blue whale can inflate up to 2,000 balloons.
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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
The largest earthworm on record was found in South Africa and measured 22 feet.
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