All the swans in England are property of the Queen.
36
Cat urine glows under a black-light!
43
There wasn't a single pony in the Pony Express, just horses!
57
An alligator can go through 2,000 to 3,000 teeth in a lifetime.
268
Rats can tell the difference between two human languages.
49
Blue whale arteries are large enough for humans to swim through and their hearts are the size of cars.
12
A cockroach will live nine days without it's head, before it starves to death.
26