The octopus does not have a blind spot.
273
A koi fish, named "Hanako", was owned by several individuals over many years and lived to be 226 years old, dying in 1977.
6
Lobsters have blue blood.
476
Unsinkable Sam (nickname of a German ship's cat) who served on 3 warships, one German, two British, all sank in action. The cat survived each sinking, floating away on wooden planks to rescue.
19
Allegedly, Chrysippus, the Greek philosopher, died of laughter after getting his donkey drunk and watching it try to eat figs.
47
Female kangaroos have three vaginas.
2
A newborn Chinese water deer is so small, it can (almost) be held in the palm of a hand.
13