A female ferret will die if it goes into heat and cannot find a mate.
143
Woodpecker scalps, porpoise teeth and giraffe tails have all been used as money.
46
A koi fish, named "Hanako", was owned by several individuals over many years and lived to be 226 years old, dying in 1977.
6
Sheep can survive for up to two weeks buried in snow drifts.
260
The average 1 1/4 lb. lobster is 7 to 9 years old.
13
An alligator can go through 2,000 to 3,000 teeth in a lifetime.
268