The most expensive cow in the world was sold in 2009 for $1.2 million.
-3
Only 3% of bird species have penises.
0
The elephant shrew’s closest relative isn’t a shrew — it’s actually an elephant
9
When Washoe, the first chimp to use sign language, was told that her caretaker's baby had died, she signed "CRY."
20
Domestic pigs average a top speed of about 11 miles per hour.
182
Sharks have been on the planet longer than trees.
14