Dire wolves actually existed, living up to 10,000 years ago before going extinct.
10
A koi fish, named "Hanako", was owned by several individuals over many years and lived to be 226 years old, dying in 1977.
6
Sifrhippus was a species of horse about the size of an average duck and roamed North America 56 million years ago.
2
Vanilla flavoring is sometimes made with an ingredient from beaver pee.
82
Lobsters have blue blood.
476