One reason that kittens sleep so much is because a growth hormone is released only during sleep.
212
A koi fish, named "Hanako", was owned by several individuals over many years and lived to be 226 years old, dying in 1977.
6
Dolphins have names for one another.
18
The Basenji dog is the only dog that is not able to bark.
4
Lobsters have blue blood.
476
The world’s largest frog, the Goliath frog, can grow over 13 inches in length and can jump up to 10 feet in a single bound.
8