The most expensive cow in the world was sold in 2009 for $1.2 million.
-3
Vampire bats adopt orphans, and are one of the few mammals known to risk their own lives to share food with less fortunate roost-mates.
402
A newborn Chinese water deer is so small, it can (almost) be held in the palm of a hand.
13
The sound of a tiger's roar can travel a distance of up to 2 miles (~3 km).
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