The colossal squid has the largest eyes in the world.
4
When Koko, the gorilla famous for knowing sign language, was asked where gorillas go after death, she responded by signing “Comfortable hole, bye.”
23
Bats sleep 18-20 hours per day.
5
Sifrhippus was a species of horse about the size of an average duck and roamed North America 56 million years ago.
2
A koi fish, named "Hanako", was owned by several individuals over many years and lived to be 226 years old, dying in 1977.
6