There's a young hippo and a 130+ year old tortoise in a Kenyan wildlife preserve who are best friends and they even sleep and play together.
40
Alligator snapping turtles can live for over 150 years. Scientists know this because some of the turtles had musket balls in their stomachs.
271
The most expensive cow in the world was sold in 2009 for $1.2 million.
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Sharks, like other fish, have their reproductive organs in their chests.
248
Moths are unable to fly during an earthquake.
328
Dogs have been man's pet for over 14,000 years.
224