Ants don't sleep
15
All the swans in England are property of the Queen.
36
A rodent's teeth never stop growing.
16
There wasn't a single pony in the Pony Express, just horses!
57
Dolphins sometimes have fun by blowing bubbles and creating rings of air underwater, which they then swim through.
17
It is possible for a scorpion to sting itself to death as they are not immune to their own poison!
39
A 42-foot sperm whale has about 7 tons of oil in it.
209