A blue whale's heart is the size of a Volkswagen Beetle!
37
Most tropical marine fish could survive in a tank filled with human blood.
54
You are more likely to get attacked by a cow than a shark.
234
Turtles can live for more than 100 years.
84
There's a rare breed of pig that looks like a sheep.
14
Billy goats urinate on their own heads to smell more attractive to females.
31
Only male fireflies can fly.
46
The ancestor of all domestic cats is the African Wild Cat which still exists today.
12