Blue whale arteries are large enough for humans to swim through and their hearts are the size of cars.
12
The most expensive cow in the world was sold in 2009 for $1.2 million.
-3
When the "Elephant Whisperer" Lawrence Anthony died, a whole herd of elephants arrived at his house to mourn him.
25
A cat rubs against people not only to be affectionate but also to mark out its territory with scent glands around its face. The tail area and paws also carry the cat's scent.
293
Lurch, a Watusi bull, had the largest horns in the world.
32