The pea aphid insect explodes itself thereby sacrificing its life to protect its relatives from predators.
3
A blue whale's aorta (the main blood vessel) is large enough for a human to crawl through.
52
Over 90% of all fish caught are caught in the northern hemisphere.
5
All the swans in England are property of the Queen.
36
A spider's silk is stronger than steel.
52
Some species of fish have voices!
81