When dragonflies mate, their tails form a love heart.
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It has been calculated that a single breath from a mature blue whale can inflate up to 2,000 balloons.
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Alligators can live up to 100 years.
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The first known contraceptive was crocodile dung, used by Egyptians in 2000 B.C.
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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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In 1918, a homing pigeon saved over 190 American soldiers by delivering a message to nearby support despite having been shot through the breast, blinded in one eye, covered in blood, and with a leg hanging on by just a tendon.
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