The elephant brain weighs about 6,000g.
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Queen ants have one of the longest life-spans of any known insect - typically up to 30 years. Western harvester ant queens can live up to 40 years!
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Ants have tiny magnetic compasses in their antennae which help them navigate.
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Unsinkable Sam (nickname of a German ship's cat) who served on 3 warships, one German, two British, all sank in action. The cat survived each sinking, floating away on wooden planks to rescue.
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The oldest recorded elephant lived for 82 years.
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The colossal squid has the largest eyes in the world.
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