Sloths take two weeks to digest their food.
243
A koi fish, named "Hanako", was owned by several individuals over many years and lived to be 226 years old, dying in 1977.
6
Alligator snapping turtles can live for over 150 years. Scientists know this because some of the turtles had musket balls in their stomachs.
271
Dolphins can rapidly heal from extreme injuries, such as shark bites, and regenerate their original body shape.
19
Rattlesnake mating sessions have been known to last more than 22 hours.
232
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