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.
132
A cat rubs against people not only to be affectionate but also to mark out its territory with scent glands around its face. The tail area and paws also carry the cat's scent.
293
Tigers can see 6 times better at night than humans.
305
The sound of a tiger's roar can travel a distance of up to 2 miles (~3 km).
255