Ants have tiny magnetic compasses in their antennae which help them navigate.
9
Cats recognise the voice of their owner, but never evolved to care.
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The sound of a tiger's roar can travel a distance of up to 2 miles (~3 km).
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Dire wolves actually existed, living up to 10,000 years ago before going extinct.
10
A scorpion can hold its breath for up to 6 days.
19
Sandy, an African Penguin, has been in 'love' with her keeper at the Nuremburg zoo since 1996.
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