The most expensive cow in the world was sold in 2009 for $1.2 million.
-3
Only 3% of bird species have penises.
0
Vanilla flavoring is sometimes made with an ingredient from beaver pee.
82
Parrot parents "name" their children with a signature call.
112
Dolphins sometimes have fun by blowing bubbles and creating rings of air underwater, which they then swim through.
17
During World War 1, starving wolves amassed in such great numbers that Germans and Russians had a temporary cease fire to fight off the wolf attacks.
45