Cows can sleep standing up, but they can only dream lying down.
745
Denmark has twice as many pigs as there are people.
66
Cymothoa exigua is a type of parasite that enters through fish's gills, eats their tongue, and then replaces it.
6
The most expensive cow in the world was sold in 2009 for $1.2 million.
-3
Jumping fleas can accelerate 50 times faster than the space shuttle.
218
In 2005, in Africa, it was reported that three lions rescued a 12-year-old girl from kidnappers and guarded her for half a day until help came.
46