The most expensive cow in the world was sold in 2009 for $1.2 million.
-3
Dolphins can rapidly heal from extreme injuries, such as shark bites, and regenerate their original body shape.
19
One reason that kittens sleep so much is because a growth hormone is released only during sleep.
212
The sound of a tiger's roar can travel a distance of up to 2 miles (~3 km).
255
Giant Anteaters' front legs look like a panda.
48
There's a lizard known as the 'Jesus Lizard' that can run across water.
11
Crows living in some urban areas drop nuts into traffic to let the passing cars crush them, then they wait for the red lights to stop the traffic so they can grab and eat it.
17
Early American humans hunted car-size armadillos and used their shells for houses.
12