There is a tiger named Kenny who is the only known tiger to have downs syndrome.
Tigers can see 6 times better at night than humans.
Tigers, leopards, and jaguars love "Calvin Klein's Obsession for Men". The scent is used to attract animals to cameras in the wilderness, and was even a turn on for one pair of Jaguars who were subject to it.
In 2011, a male tiger in India adopted a litter of orphaned cubs, taking on the role of ‘mother’. Wildlife officials say such behavior had never been observed before.
The sound of a tiger's roar can travel a distance of up to 2 miles (~3 km).