A koi fish, named "Hanako", was owned by several individuals over many years and lived to be 226 years old, dying in 1977.
6
Sloths take two weeks to digest their food.
243
Squirrels will sometimes adopt orphaned baby squirrels that they’re related to.
12
Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
14
The oldest creature ever found was Ming the clam at an admirable 507 years old.
16
The colossal squid has the largest eyes in the world.
4
Early American humans hunted car-size armadillos and used their shells for houses.
12