The sound of a tiger's roar can travel a distance of up to 2 miles (~3 km).
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Female kangaroos have three vaginas.
2
Allegedly, Chrysippus, the Greek philosopher, died of laughter after getting his donkey drunk and watching it try to eat figs.
47
The colossal squid has the largest eyes in the world.
4
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!
2
Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
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