Catgut comes from sheep not cats.
11
There's a rare breed of pig that looks like a sheep.
14
Parrots have 500 pounds per square inch of pressure in their beaks.
21
The male gypsy moth can "smell" the virgin female gypsy moth from 1.8 miles away!
55
The sound of a tiger's roar can travel a distance of up to 2 miles (~3 km).
255
There wasn't a single pony in the Pony Express, just horses!
57
If you keep a goldfish in the dark, it will eventually turn white
408
Snails can live up to 15 years.
84