The most expensive cow in the world was sold in 2009 for $1.2 million.
-3
Dolphins have names for one another.
18
Travis was a chimpanzee who socialized with humans since birth. He could log onto a computer to look at pictures, watch TV using a remote control, brush his teeth, feed hay to his owner's horses, water plants, and learned the schedule of passing ice cream trucks.
11
A giraffe's kick is so powerful that it can decapitate a lion.
216
Early American humans hunted car-size armadillos and used their shells for houses.
12
Squirrels forget where they hide about half of their nuts.
698